CVEvulnerability
CVE-2021-43528
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-12-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-269
Description
Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.
Affected configurations
• mozilla thunderbird (< 91.4.0)
• debian debian linux 9.0
• debian debian linux 10.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-269 Improper Privilege Management weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1742579 Broken Link, Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-14 Third Party Advisory
- https://www.debian.org/security/2022/dsa-5034 Issue Tracking, Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-54/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1742579 Broken Link, Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-14 Third Party Advisory
- https://www.debian.org/security/2022/dsa-5034 Issue Tracking, Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-54/ Vendor Advisory