Out-of-bounds Write Affecting firefox package, versions <0:78.6.0-1.0.1.el7_9
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Test your applications- Snyk ID SNYK-ORACLE7-FIREFOX-2576241
- published 10 Apr 2022
- disclosed 7 Jan 2021
Introduced: 7 Jan 2021
CVE-2020-26974 Open this link in a new tabHow to fix?
Upgrade Oracle:7 firefox to version 0:78.6.0-1.0.1.el7_9 or higher.
This issue was patched in ELSA-2020-5561-1.
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 flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
References
- https://linux.oracle.com/cve/CVE-2020-26974.html
- https://linux.oracle.com/errata/ELSA-2020-5561-1.html
- https://linux.oracle.com/errata/ELSA-2020-5562-1.html
- https://linux.oracle.com/errata/ELSA-2020-5618-1.html
- https://linux.oracle.com/errata/ELSA-2020-5624-1.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1681022
- https://www.mozilla.org/security/advisories/mfsa2020-54/
- https://www.mozilla.org/security/advisories/mfsa2020-55/
- https://www.mozilla.org/security/advisories/mfsa2020-56/