CVE catalog

CVE-2020-15657

thunderbird: CVE-2020-15657

Severity: High · CVSS 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: Jul 31, 2020, 12:04:41 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.35% · Oct 25, 2026

Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker that is already capable of placing files in the installation directory. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

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
Debian	thunderbird	sid	`1:153.5.1esr-1`	not affected
Debian	thunderbird	forky	`1:153.5.0esr-1`	not affected
Debian	thunderbird	trixie	`1:140.12.0esr-1~deb13u1`	not affected
Debian	thunderbird	trixie-security	`1:153.5.1esr-1~deb13u2`	not affected
Debian	thunderbird	bookworm	`1:140.12.0esr-1~deb12u1`	not affected
Debian	thunderbird	bookworm-security	`1:153.5.1esr-1~deb12u1`	not affected

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	thunderbird	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	thunderbird	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	thunderbird	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	thunderbird	source	bookworm	`Not affected`	unimportant	Not reported	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[thunderbird]Unknown
Details (4)
- 1:140.12.0esr-1~deb12u1 · amd64 · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · arm64 · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · amd64 · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · arm64 · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-af]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-all]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-ar]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-ast]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-be]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-bg]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-br]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-ca]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-cak]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-cs]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-cy]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-da]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-de]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-dsb]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-el]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-en-ca]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-en-gb]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-es-ar]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
[thunderbird-l10n-es-es]Unknown
Source package: [thunderbird]
Details (4)
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.12.0esr-1~deb12u1 · all · bookworm
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm
- 1:140.14.0esr-1~deb12u1 · all · bookworm-security
  Not affected
  dsa · thunderbird · debian · bookworm

Next results

Observed: Oct 23, 2026, 5:48:19 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [SUSE security advisories and VEX]