CVE-2023-5731

Memory safety bugs present in Firefox 118. 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 < 119.

• CWE-787

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1690111%2C1721904%2C1851803%2C1854068Issue Tracking, Vendor Advisory
• https://security.gentoo.org/glsa/202401-10
• https://www.mozilla.org/security/advisories/mfsa2023-45/Vendor Advisory
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1690111%2C1721904%2C1851803%2C1854068Issue Tracking, Vendor Advisory
• https://security.gentoo.org/glsa/202401-10
• https://www.mozilla.org/security/advisories/mfsa2023-45/Vendor Advisory

Published

Oct 25, 2023

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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