Race Condition Affecting thunderbird package, versions <1:91.4.0-1
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Test your applications- Snyk ID SNYK-DEBIAN12-THUNDERBIRD-2312065
- published 8 Dec 2021
- disclosed 8 Dec 2021
Introduced: 8 Dec 2021
CVE-2021-43538 Open this link in a new tabHow to fix?
Upgrade Debian:12 thunderbird to version 1:91.4.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
References
- https://security-tracker.debian.org/tracker/CVE-2021-43538
- https://bugzilla.mozilla.org/show_bug.cgi?id=1739091
- https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
- https://www.debian.org/security/2021/dsa-5026
- https://www.debian.org/security/2022/dsa-5034
- https://www.mozilla.org/security/advisories/mfsa2021-52/
- https://www.mozilla.org/security/advisories/mfsa2021-53/
- https://www.mozilla.org/security/advisories/mfsa2021-54/