CVE-2022-31740

On arm64, WASM code could have resulted in incorrect assembly generation leading to a register allocation problem, and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

• CWE-119

• https://bugzilla.mozilla.org/show_bug.cgi?id=1766806Issue Tracking, Permissions Required, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-20/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-21/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-22/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1766806Issue Tracking, Permissions Required, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-20/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-21/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-22/Vendor Advisory

Published

Dec 22, 2022

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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