CVE catalog

CVE-2021-23955

UBUNTU-

The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks. This vulnerability affects Firefox < 85.

Severity: Medium · CVSS 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Published: Jan 26, 2021, 12:00:00 AM UTC
Updated: Apr 22, 2026, 12:48:07 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.66% · Oct 27, 2026

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / release	Package	Version	Status	Source
Ubuntu20.04	firefox	`85.0+build1-0ubuntu0.20.04.1`	Fixed	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`85.0+build1-0ubuntu0.18.04.1`	Fixed	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`85.0+build1-0ubuntu0.16.04.1`	Fixed	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC

Showing 3 fix observations. All 214 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
Ubuntu16.04	firefox	`41.0.2+build2-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`42.0+build2-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`44.0+build3-0ubuntu2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`44.0.1+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`44.0.2+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`45.0+build2-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`45.0.1+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`45.0.2+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`46.0+build5-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`46.0.1+build1-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`47.0+build3-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`48.0+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`49.0+build4-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`49.0.2+build2-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`50.0+build2-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`50.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`50.1.0+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`51.0.1+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`51.0.1+build2-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`52.0+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`52.0.1+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`52.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`53.0+build6-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`53.0.2+build1-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`53.0.3+build1-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`54.0+build3-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`55.0.1+build2-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`55.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`56.0+build6-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`56.0+build6-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`57.0+build4-0ubuntu0.16.04.5`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`57.0+build4-0ubuntu0.16.04.6`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`57.0.1+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`57.0.3+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`57.0.4+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`58.0+build6-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`58.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`58.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`59.0+build5-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`59.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`59.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`59.0.2+build1-0ubuntu0.16.04.3`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`60.0+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`60.0.1+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`60.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`61.0+build3-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`61.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`62.0+build2-0ubuntu0.16.04.3`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`62.0+build2-0ubuntu0.16.04.4`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`62.0+build2-0ubuntu0.16.04.5`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`62.0.3+build1-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`63.0+build2-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`63.0.3+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`64.0+build3-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`65.0+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`65.0.1+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`66.0+build3-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`66.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`66.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`66.0.3+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`66.0.4+build3-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`66.0.5+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`67.0+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`67.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`67.0.2+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`67.0.3+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`67.0.4+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`68.0+build3-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`68.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`68.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`69.0+build2-0ubuntu0.16.04.4`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`69.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`69.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`70.0+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`70.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`71.0+build5-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`72.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`72.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`73.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`74.0+build3-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`74.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`75.0+build3-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`76.0+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`76.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`77.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`78.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`78.0.2+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`79.0+build1-0ubuntu0.16.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`80.0+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`80.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`81.0+build2-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`81.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`82.0+build2-0ubuntu0.16.04.5`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`82.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`82.0.3+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`83.0+build2-0ubuntu0.16.04.3`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`84.0+build3-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`84.0.1+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`84.0.2+build1-0ubuntu0.16.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu16.04	firefox	`85.0+build1-0ubuntu0.16.04.1`	Fixed	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`56.0+build6-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`57.0.1+build2-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`59.0.1+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`59.0.2+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`60.0+build2-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`60.0.1+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`60.0.2+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`61.0+build3-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`61.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`62.0+build2-0ubuntu0.18.04.3`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`62.0+build2-0ubuntu0.18.04.4`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`62.0+build2-0ubuntu0.18.04.5`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`62.0.3+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`63.0+build2-0ubuntu0.18.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`63.0.3+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`64.0+build3-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`65.0+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`65.0.1+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`66.0+build3-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`66.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`66.0.2+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`66.0.3+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`66.0.4+build3-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`66.0.5+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`67.0+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`67.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`67.0.2+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`67.0.3+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`67.0.4+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`68.0+build3-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`68.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`68.0.2+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`69.0+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`69.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`69.0.2+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`70.0+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`70.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`71.0+build5-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`72.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`72.0.2+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`73.0+build3-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`73.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`74.0+build3-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`74.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`75.0+build3-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`76.0+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`76.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`77.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`78.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`78.0.2+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`79.0+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`80.0+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`80.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`81.0+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`81.0.2+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`82.0+build2-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`82.0.2+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`82.0.3+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`83.0+build2-0ubuntu0.18.04.2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`84.0+build3-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`84.0.1+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`84.0.2+build1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	firefox	`85.0+build1-0ubuntu0.18.04.1`	Fixed	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	mozjs38	`38.8.0~repack1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	mozjs38	`38.8.0~repack1-0ubuntu3`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	mozjs38	`38.8.0~repack1-0ubuntu4`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	mozjs52	`52.3.1-0ubuntu3`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	mozjs52	`52.3.1-7fakesync1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	mozjs52	`52.8.1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu18.04	mozjs52	`52.9.1-0ubuntu0.18.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`69.0.3+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`70.0+build2-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`70.0+build2-0ubuntu2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`70.0.1+build1-0ubuntu2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`71.0+build2-0ubuntu2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`71.0+build5-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`72.0.1+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`72.0.2+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`73.0+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`73.0+build2-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`73.0+build3-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`73.0.1+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`74.0+build1-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`74.0+build2-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`74.0+build2-0ubuntu2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`74.0+build3-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`75.0+build3-0ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`76.0+build2-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`76.0.1+build1-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`77.0.1+build1-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`78.0.1+build1-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`78.0.2+build2-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`79.0+build1-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`80.0+build2-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`80.0.1+build1-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`81.0+build2-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`81.0.2+build1-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`82.0+build2-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`82.0.2+build1-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`82.0.3+build1-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`83.0+build2-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`84.0+build3-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`84.0.1+build1-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`84.0.2+build1-0ubuntu0.20.04.1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	firefox	`85.0+build1-0ubuntu0.20.04.1`	Fixed	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	mozjs52	`52.9.1-1build1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	mozjs52	`52.9.1-1ubuntu3`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	mozjs68	`68.5.0-1~fakesync`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	mozjs68	`68.5.0-2~fakesync`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	mozjs68	`68.6.0-1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu20.04	mozjs68	`68.6.0-1ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu22.04	mozjs78	`78.13.0-1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu22.04	mozjs78	`78.15.0-2`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC
Ubuntu22.04	mozjs78	`78.15.0-4ubuntu1`	Affected	[UBUNTU-CVE-2021-23955]Apr 22, 2026, 12:48:07 PM UTC

Original provider fields

{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "firefox",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "85.0+build1-0ubuntu0.16.04.1"
            }
          ]
        }
      ],
      "release": "16.04",
      "versions": [
        "41.0.2+build2-0ubuntu1",
        "42.0+build2-0ubuntu1",
        "44.0+build3-0ubuntu2",
        "44.0.1+build1-0ubuntu1",
        "44.0.2+build1-0ubuntu1",
        "45.0+build2-0ubuntu1",
        "45.0.1+build1-0ubuntu1",
        "45.0.2+build1-0ubuntu1",
        "46.0+build5-0ubuntu0.16.04.2",
        "46.0.1+build1-0ubuntu0.16.04.2",
        "47.0+build3-0ubuntu0.16.04.1",
        "48.0+build2-0ubuntu0.16.04.1",
        "49.0+build4-0ubuntu0.16.04.1",
        "49.0.2+build2-0ubuntu0.16.04.2",
        "50.0+build2-0ubuntu0.16.04.2",
        "50.0.2+build1-0ubuntu0.16.04.1",
        "50.1.0+build2-0ubuntu0.16.04.1",
        "51.0.1+build2-0ubuntu0.16.04.1",
        "51.0.1+build2-0ubuntu0.16.04.2",
        "52.0+build2-0ubuntu0.16.04.1",
        "52.0.1+build2-0ubuntu0.16.04.1",
        "52.0.2+build1-0ubuntu0.16.04.1",
        "53.0+build6-0ubuntu0.16.04.1",
        "53.0.2+build1-0ubuntu0.16.04.2",
        "53.0.3+build1-0ubuntu0.16.04.2",
        "54.0+build3-0ubuntu0.16.04.1",
        "55.0.1+build2-0ubuntu0.16.04.2",
        "55.0.2+build1-0ubuntu0.16.04.1",
        "56.0+build6-0ubuntu0.16.04.1",
        "56.0+build6-0ubuntu0.16.04.2",
        "57.0+build4-0ubuntu0.16.04.5",
        "57.0+build4-0ubuntu0.16.04.6",
        "57.0.1+build2-0ubuntu0.16.04.1",
        "57.0.3+build1-0ubuntu0.16.04.1",
        "57.0.4+build1-0ubuntu0.16.04.1",
        "58.0+build6-0ubuntu0.16.04.1",
        "58.0.1+build1-0ubuntu0.16.04.1",
        "58.0.2+build1-0ubuntu0.16.04.1",
        "59.0+build5-0ubuntu0.16.04.1",
        "59.0.1+build1-0ubuntu0.16.04.1",
        "59.0.2+build1-0ubuntu0.16.04.1",
        "59.0.2+build1-0ubuntu0.16.04.3",
        "60.0+build2-0ubuntu0.16.04.1",
        "60.0.1+build2-0ubuntu0.16.04.1",
        "60.0.2+build1-0ubuntu0.16.04.1",
        "61.0+build3-0ubuntu0.16.04.2",
        "61.0.1+build1-0ubuntu0.16.04.1",
        "62.0+build2-0ubuntu0.16.04.3",
        "62.0+build2-0ubuntu0.16.04.4",
        "62.0+build2-0ubuntu0.16.04.5",
        "62.0.3+build1-0ubuntu0.16.04.2",
        "63.0+build2-0ubuntu0.16.04.2",
        "63.0.3+build1-0ubuntu0.16.04.1",
        "64.0+build3-0ubuntu0.16.04.1",
        "65.0+build2-0ubuntu0.16.04.1",
        "65.0.1+build2-0ubuntu0.16.04.1",
        "66.0+build3-0ubuntu0.16.04.2",
        "66.0.1+build1-0ubuntu0.16.04.1",
        "66.0.2+build1-0ubuntu0.16.04.1",
        "66.0.3+build1-0ubuntu0.16.04.1",
        "66.0.4+build3-0ubuntu0.16.04.1",
        "66.0.5+build1-0ubuntu0.16.04.1",
        "67.0+build2-0ubuntu0.16.04.1",
        "67.0.1+build1-0ubuntu0.16.04.1",
        "67.0.2+build2-0ubuntu0.16.04.1",
        "67.0.3+build1-0ubuntu0.16.04.1",
        "67.0.4+build1-0ubuntu0.16.04.1",
        "68.0+build3-0ubuntu0.16.04.1",
        "68.0.1+build1-0ubuntu0.16.04.1",
        "68.0.2+build1-0ubuntu0.16.04.1",
        "69.0+build2-0ubuntu0.16.04.4",
        "69.0.1+build1-0ubuntu0.16.04.1",
        "69.0.2+build1-0ubuntu0.16.04.1",
        "70.0+build2-0ubuntu0.16.04.1",
        "70.0.1+build1-0ubuntu0.16.04.1",
        "71.0+build5-0ubuntu0.16.04.1",
        "72.0.1+build1-0ubuntu0.16.04.1",
        "72.0.2+build1-0ubuntu0.16.04.1",
        "73.0.1+build1-0ubuntu0.16.04.1",
        "74.0+build3-0ubuntu0.16.04.1",
        "74.0.1+build1-0ubuntu0.16.04.1",
        "75.0+build3-0ubuntu0.16.04.1",
        "76.0+build2-0ubuntu0.16.04.1",
        "76.0.1+build1-0ubuntu0.16.04.1",
        "77.0.1+build1-0ubuntu0.16.04.1",
        "78.0.1+build1-0ubuntu0.16.04.1",
        "78.0.2+build2-0ubuntu0.16.04.1",
        "79.0+build1-0ubuntu0.16.04.2",
        "80.0+build2-0ubuntu0.16.04.1",
        "80.0.1+build1-0ubuntu0.16.04.1",
        "81.0+build2-0ubuntu0.16.04.1",
        "81.0.2+build1-0ubuntu0.16.04.1",
        "82.0+build2-0ubuntu0.16.04.5",
        "82.0.2+build1-0ubuntu0.16.04.1",
        "82.0.3+build1-0ubuntu0.16.04.1",
        "83.0+build2-0ubuntu0.16.04.3",
        "84.0+build3-0ubuntu0.16.04.1",
        "84.0.1+build1-0ubuntu0.16.04.1",
        "84.0.2+build1-0ubuntu0.16.04.1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-23955",
      "fixed_version": "85.0+build1-0ubuntu0.16.04.1",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2021-23955",
      "provider_updated_at": "2026-04-22T12:48:07.560223Z"
    },
    {
      "name": "firefox",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "85.0+build1-0ubuntu0.18.04.1"
            }
          ]
        }
      ],
      "release": "18.04",
      "versions": [
        "56.0+build6-0ubuntu1",
        "57.0.1+build2-0ubuntu1",
        "59.0.1+build1-0ubuntu1",
        "59.0.2+build1-0ubuntu1",
        "60.0+build2-0ubuntu1",
        "60.0.1+build2-0ubuntu0.18.04.1",
        "60.0.2+build1-0ubuntu0.18.04.1",
        "61.0+build3-0ubuntu0.18.04.1",
        "61.0.1+build1-0ubuntu0.18.04.1",
        "62.0+build2-0ubuntu0.18.04.3",
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        "62.0.3+build1-0ubuntu0.18.04.1",
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        "63.0.3+build1-0ubuntu0.18.04.1",
        "64.0+build3-0ubuntu0.18.04.1",
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        "66.0.4+build3-0ubuntu0.18.04.1",
        "66.0.5+build1-0ubuntu0.18.04.1",
        "67.0+build2-0ubuntu0.18.04.1",
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        "67.0.2+build2-0ubuntu0.18.04.1",
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      "fixed_version": "",
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  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

Observed: Oct 23, 2026, 5:54:57 PM UTC

References

[FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]