Improper Restriction of Rendered UI Layers or Frames Affecting thunderbird package, versions <1:91.3.0-1
Threat Intelligence
EPSS
0.62% (80th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN12-THUNDERBIRD-1912472
- published 3 Nov 2021
- disclosed 8 Dec 2021
Introduced: 3 Nov 2021
CVE-2021-38506 Open this link in a new tabHow to fix?
Upgrade Debian:12 thunderbird to version 1:91.3.0-1 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.
Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
References
- https://security-tracker.debian.org/tracker/CVE-2021-38506
- https://bugzilla.mozilla.org/show_bug.cgi?id=1730750
- 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/mfsa2021-48/
- https://www.mozilla.org/security/advisories/mfsa2021-49/
- https://www.mozilla.org/security/advisories/mfsa2021-50/
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