Use After Free Affecting firefox package, versions <0:91.3.0-1.0.1.el7_9
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Test your applications- Snyk ID SNYK-ORACLE7-FIREFOX-2588843
- published 10 Apr 2022
- disclosed 8 Dec 2021
Introduced: 8 Dec 2021
CVE-2021-38504 Open this link in a new tabHow to fix?
Upgrade Oracle:7 firefox to version 0:91.3.0-1.0.1.el7_9 or higher.
This issue was patched in ELSA-2021-4116.
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.
When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
References
- https://linux.oracle.com/cve/CVE-2021-38504.html
- https://linux.oracle.com/errata/ELSA-2021-4116.html
- https://linux.oracle.com/errata/ELSA-2021-4123.html
- https://linux.oracle.com/errata/ELSA-2021-4130.html
- https://linux.oracle.com/errata/ELSA-2021-4134.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1730156
- 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/