Operation on a Resource after Expiration or Release Affecting firefox package, versions <0:78.10.0-1.0.1.el7_9
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Test your applications- Snyk ID SNYK-ORACLE7-FIREFOX-2581828
- published 10 Apr 2022
- disclosed 24 Jun 2021
Introduced: 24 Jun 2021
CVE-2021-23995 Open this link in a new tabHow to fix?
Upgrade Oracle:7 firefox to version 0:78.10.0-1.0.1.el7_9 or higher.
This issue was patched in ELSA-2021-1363.
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 Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
References
- https://linux.oracle.com/cve/CVE-2021-23995.html
- https://linux.oracle.com/errata/ELSA-2021-1350.html
- https://linux.oracle.com/errata/ELSA-2021-1353.html
- https://linux.oracle.com/errata/ELSA-2021-1360.html
- https://linux.oracle.com/errata/ELSA-2021-1363.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1699835
- https://www.mozilla.org/security/advisories/mfsa2021-14/
- https://www.mozilla.org/security/advisories/mfsa2021-15/
- https://www.mozilla.org/security/advisories/mfsa2021-16/