Use After Free Affecting thunderbird package, versions <1:78.12.0-1
Threat Intelligence
EPSS
0.81% (83rd
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-DEBIAN12-THUNDERBIRD-1560952
- published 14 Jul 2021
- disclosed 5 Aug 2021
Introduced: 14 Jul 2021
CVE-2021-29970 Open this link in a new tabHow to fix?
Upgrade Debian:12 thunderbird to version 1:78.12.0-1 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.
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. This bug could only be triggered when accessibility was enabled.. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
References
- https://security-tracker.debian.org/tracker/CVE-2021-29970
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709976
- https://www.mozilla.org/security/advisories/mfsa2021-28/
- https://www.mozilla.org/security/advisories/mfsa2021-29/
- https://www.mozilla.org/security/advisories/mfsa2021-30/
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
CVSS Scores
version 3.1