CVE-2024-4777

Memory safety bugs present in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10. 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 < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

• CWE-787
• CWE-416

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1878199%2C1893340Issue Tracking
• https://lists.debian.org/debian-lts-announce/2024/05/msg00010.htmlMailing List
• https://lists.debian.org/debian-lts-announce/2024/05/msg00012.htmlMailing List
• https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2024-22/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2024-23/Vendor Advisory
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1878199%2C1893340Issue Tracking
• https://lists.debian.org/debian-lts-announce/2024/05/msg00010.htmlMailing List
• https://lists.debian.org/debian-lts-announce/2024/05/msg00012.htmlMailing List
• https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2024-22/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2024-23/Vendor Advisory

Published

May 14, 2024

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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