CVE catalog
CVE-2021-29991
firefox vulnerability
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.91% · Oct 25, 2026
Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox < 91.0.1 and Thunderbird < 91.0.1.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | firefox | 18.04 | 56.0+build6-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 18.04 | 57.0.1+build2-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 18.04 | 59.0.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 18.04 | 59.0.2+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 18.04 | 60.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 18.04 | 60.0.1+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 60.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 61.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 61.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 62.0+build2-0ubuntu0.18.04.3 | vulnerable |
| Ubuntu | firefox | 18.04 | 62.0+build2-0ubuntu0.18.04.4 | vulnerable |
| Ubuntu | firefox | 18.04 | 62.0+build2-0ubuntu0.18.04.5 | vulnerable |
| Ubuntu | firefox | 18.04 | 62.0.3+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 63.0+build2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 63.0.3+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 64.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 65.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 65.0.1+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0.3+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0.4+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0.5+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 67.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 67.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 67.0.2+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 67.0.3+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 67.0.4+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 68.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 68.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 68.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 69.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 69.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 69.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 70.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 70.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 71.0+build5-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 72.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 72.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 73.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 73.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 74.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 74.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 75.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 76.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 76.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 77.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 78.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 78.0.2+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 79.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 80.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 80.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 81.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 81.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 82.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 82.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 82.0.3+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 83.0+build2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 84.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 84.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 84.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 85.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 85.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 86.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 86.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 87.0+build3-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 88.0+build2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 88.0.1+build1-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 89.0+build2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 89.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 89.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 90.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 90.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 91.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 91.0.1+build1-0ubuntu0.18.04.1 | fixed |
| Ubuntu | thunderbird | 18.04 | 1:52.4.0+build1-0ubuntu2 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:52.6.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:52.7.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:52.8.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:52.9.1+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:60.2.1+build1-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:60.4.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:60.5.1+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:60.6.1+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:60.7.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:60.7.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:60.7.2+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:60.8.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:60.9.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:68.2.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:68.2.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:68.4.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:68.7.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:68.8.0+build2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:68.10.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:78.8.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:78.11.0+build1-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:78.13.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:78.14.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:78.14.0+build1-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | thunderbird | 18.04 | 1:91.5.0+build1-0ubuntu0.18.04.1 | fixed |
| Ubuntu | mozjs52 | 18.04 | 52.3.1-0ubuntu3 | vulnerable |
| Ubuntu | mozjs52 | 18.04 | 52.3.1-7fakesync1 | vulnerable |
| Ubuntu | mozjs52 | 18.04 | 52.8.1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | mozjs52 | 18.04 | 52.9.1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | mozjs38 | 18.04 | 38.8.0~repack1-0ubuntu1 | vulnerable |
| Ubuntu | mozjs38 | 18.04 | 38.8.0~repack1-0ubuntu3 | vulnerable |
| Ubuntu | mozjs38 | 18.04 | 38.8.0~repack1-0ubuntu4 | vulnerable |
| Ubuntu | firefox | 20.04 | 69.0.3+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 70.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 70.0+build2-0ubuntu2 | vulnerable |
| Ubuntu | firefox | 20.04 | 70.0.1+build1-0ubuntu2 | vulnerable |
| Ubuntu | firefox | 20.04 | 71.0+build2-0ubuntu2 | vulnerable |
| Ubuntu | firefox | 20.04 | 71.0+build5-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 72.0.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 72.0.2+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 73.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 73.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 73.0+build3-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 73.0.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 74.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 74.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 74.0+build2-0ubuntu2 | vulnerable |
| Ubuntu | firefox | 20.04 | 74.0+build3-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 75.0+build3-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 76.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 76.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 77.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 78.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 78.0.2+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 79.0+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 80.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 80.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 81.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 81.0.2+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 82.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 82.0.2+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 82.0.3+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 83.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 84.0+build3-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 84.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 84.0.2+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 85.0+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 85.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 86.0+build3-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 86.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 87.0+build3-0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | firefox | 20.04 | 88.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 88.0.1+build1-0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | firefox | 20.04 | 89.0+build2-0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | firefox | 20.04 | 89.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 89.0.2+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 90.0+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 90.0.2+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 91.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 91.0.1+build1-0ubuntu0.20.04.1 | fixed |
| Ubuntu | thunderbird | 20.04 | 1:68.1.2+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.1.2+build1-0ubuntu2 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.2.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.2.2+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.3.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.3.1+build1-0ubuntu2 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.4.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.4.2+build2-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.5.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.6.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.7.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.7.0+build1-0ubuntu2 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.8.0+build2-0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:68.10.0+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:78.7.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:78.8.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:78.11.0+build1-0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:78.13.0+build1-0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:78.14.0+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:78.14.0+build1-0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | thunderbird | 20.04 | 1:91.5.0+build1-0ubuntu0.20.04.1 | fixed |
| Ubuntu | mozjs68 | 20.04 | 68.5.0-1~fakesync | vulnerable |
| Ubuntu | mozjs68 | 20.04 | 68.5.0-2~fakesync | vulnerable |
| Ubuntu | mozjs68 | 20.04 | 68.6.0-1 | vulnerable |
| Ubuntu | mozjs68 | 20.04 | 68.6.0-1ubuntu1 | vulnerable |
| Ubuntu | mozjs52 | 20.04 | 52.9.1-1build1 | vulnerable |
| Ubuntu | mozjs52 | 20.04 | 52.9.1-1ubuntu3 | vulnerable |
| Ubuntu | mozjs78 | 22.04 | 78.13.0-1 | vulnerable |
| Ubuntu | mozjs78 | 22.04 | 78.15.0-2 | vulnerable |
| Ubuntu | mozjs78 | 22.04 | 78.15.0-4ubuntu1 | vulnerable |
| Ubuntu | firefox | 18.04 | 56.0+build6-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 18.04 | 57.0.1+build2-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 18.04 | 59.0.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 18.04 | 59.0.2+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 18.04 | 60.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 18.04 | 60.0.1+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 60.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 61.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 61.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 62.0+build2-0ubuntu0.18.04.3 | vulnerable |
| Ubuntu | firefox | 18.04 | 62.0+build2-0ubuntu0.18.04.4 | vulnerable |
| Ubuntu | firefox | 18.04 | 62.0+build2-0ubuntu0.18.04.5 | vulnerable |
| Ubuntu | firefox | 18.04 | 62.0.3+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 63.0+build2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 63.0.3+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 64.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 65.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 65.0.1+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0.3+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0.4+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 66.0.5+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 67.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 67.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 67.0.2+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 67.0.3+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 67.0.4+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 68.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 68.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 68.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 69.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 69.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 69.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 70.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 70.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 71.0+build5-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 72.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 72.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 73.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 73.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 74.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 74.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 75.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 76.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 76.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 77.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 78.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 78.0.2+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 79.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 80.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 80.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 81.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 81.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 82.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 82.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 82.0.3+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 83.0+build2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 84.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 84.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 84.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 85.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 85.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 86.0+build3-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 86.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 87.0+build3-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 88.0+build2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 88.0.1+build1-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 89.0+build2-0ubuntu0.18.04.2 | vulnerable |
| Ubuntu | firefox | 18.04 | 89.0.1+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 89.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 90.0+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 90.0.2+build1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 91.0+build2-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | firefox | 18.04 | 91.0.1+build1-0ubuntu0.18.04.1 | fixed |
| Ubuntu | firefox | 20.04 | 69.0.3+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 70.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 70.0+build2-0ubuntu2 | vulnerable |
| Ubuntu | firefox | 20.04 | 70.0.1+build1-0ubuntu2 | vulnerable |
| Ubuntu | firefox | 20.04 | 71.0+build2-0ubuntu2 | vulnerable |
| Ubuntu | firefox | 20.04 | 71.0+build5-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 72.0.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 72.0.2+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 73.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 73.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 73.0+build3-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 73.0.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 74.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 74.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 74.0+build2-0ubuntu2 | vulnerable |
| Ubuntu | firefox | 20.04 | 74.0+build3-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 75.0+build3-0ubuntu1 | vulnerable |
| Ubuntu | firefox | 20.04 | 76.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 76.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 77.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 78.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 78.0.2+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 79.0+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 80.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 80.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 81.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 81.0.2+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 82.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 82.0.2+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 82.0.3+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 83.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 84.0+build3-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 84.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 84.0.2+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 85.0+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 85.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 86.0+build3-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 86.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 87.0+build3-0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | firefox | 20.04 | 88.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 88.0.1+build1-0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | firefox | 20.04 | 89.0+build2-0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | firefox | 20.04 | 89.0.1+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 89.0.2+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 90.0+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 90.0.2+build1-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 91.0+build2-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | firefox | 20.04 | 91.0.1+build1-0ubuntu0.20.04.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Ubuntu | firefox | deb | 18.04 | 91.0.1+build1-0ubuntu0.18.04.1 | Not reported | UBUNTU-CVE-2021-29991 | Not reported |
| Ubuntu | thunderbird | deb | 18.04 | 1:91.5.0+build1-0ubuntu0.18.04.1 | Not reported | UBUNTU-CVE-2021-29991 | Not reported |
| Ubuntu | firefox | deb | 20.04 | 91.0.1+build1-0ubuntu0.20.04.1 | Not reported | UBUNTU-CVE-2021-29991 | Not reported |
| Ubuntu | thunderbird | deb | 20.04 | 1:91.5.0+build1-0ubuntu0.20.04.1 | Not reported | UBUNTU-CVE-2021-29991 | Not reported |
| Ubuntu | firefox | deb | 18.04 | 91.0.1+build1-0ubuntu0.18.04.1 | Not reported | USN-5047-1 | Not reported |
| Ubuntu | firefox | deb | 20.04 | 91.0.1+build1-0ubuntu0.20.04.1 | Not reported | USN-5047-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
Observed: