CVE-2022-22751

Mozilla developers Calixte Denizet, Kershaw Chang, Christian Holler, Jason Kratzer, Gabriele Svelto, Tyson Smith, Simon Giesecke, and Steve Fink reported memory safety bugs present in Firefox 95 and Firefox ESR 91.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

• CWE-787
• CWE-787

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1664149%2C1737816%2C1739366%2C1740274%2C1740797%2C1741201%2C1741869%2C1743221%2C1743515%2C1745373%2C1746011Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-01/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-02/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-03/Vendor Advisory
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1664149%2C1737816%2C1739366%2C1740274%2C1740797%2C1741201%2C1741869%2C1743221%2C1743515%2C1745373%2C1746011Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-01/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-02/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-03/Vendor Advisory

Published

Dec 22, 2022

Last Modified

Jun 17, 2026

Status

Modified

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