CVE-2023-4046

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Score

CVSS 3.1 5.3 Medium

Status

Modified - security@mozilla.org

Published

2023-08-01

Last modified

2025-02-13

Weaknesses

CWE-770

Affected products

• Debian Linux (Debian)
• Firefox (Mozilla)
• Firefox Esr (Mozilla)

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1837686
• https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
• https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
• https://www.debian.org/security/2023/dsa-5464
• https://www.debian.org/security/2023/dsa-5469
• https://www.mozilla.org/security/advisories/mfsa2023-29/
• https://www.mozilla.org/security/advisories/mfsa2023-30/
• https://www.mozilla.org/security/advisories/mfsa2023-31/