Use After Free Affecting firefox package, versions <93.0-1
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-1728402
- published 6 Oct 2021
- disclosed 3 Nov 2021
Introduced: 6 Oct 2021
CVE-2021-38496 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
firefox
to version 93.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox
package and not the firefox
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
References
- https://security-tracker.debian.org/tracker/CVE-2021-38496
- https://www.mozilla.org/security/advisories/mfsa2021-43/
- https://www.mozilla.org/security/advisories/mfsa2021-45/
- https://www.mozilla.org/security/advisories/mfsa2021-44/
- https://www.mozilla.org/security/advisories/mfsa2021-47/
- https://www.mozilla.org/security/advisories/mfsa2021-46/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1725335
- https://www.debian.org/security/2022/dsa-5034
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html