Use After Free Affecting firefox package, versions <0:91.2.0-4.0.1.el7_9
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Test your applications- Snyk ID SNYK-ORACLE7-FIREFOX-2588933
- published 10 Apr 2022
- disclosed 3 Nov 2021
Introduced: 3 Nov 2021
CVE-2021-38496 Open this link in a new tabHow to fix?
Upgrade Oracle:7 firefox to version 0:91.2.0-4.0.1.el7_9 or higher.
This issue was patched in ELSA-2021-3791.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Oracle.
See How to fix? for Oracle:7 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://linux.oracle.com/cve/CVE-2021-38496.html
- https://linux.oracle.com/errata/ELSA-2021-3755.html
- https://linux.oracle.com/errata/ELSA-2021-3791.html
- https://linux.oracle.com/errata/ELSA-2021-3838.html
- https://linux.oracle.com/errata/ELSA-2021-3841.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1725335
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
- https://www.debian.org/security/2022/dsa-5034
- https://www.mozilla.org/security/advisories/mfsa2021-43/
- https://www.mozilla.org/security/advisories/mfsa2021-44/
- https://www.mozilla.org/security/advisories/mfsa2021-45/
- https://www.mozilla.org/security/advisories/mfsa2021-46/
- https://www.mozilla.org/security/advisories/mfsa2021-47/