Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 116.0 |
| Debian | Debian Linux | 11.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1837686Issue TrackingPermissions Required
- 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-5464Third Party Advisory
- https://www.debian.org/security/2023/dsa-5469Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-29/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-30/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-31/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1837686Issue TrackingPermissions Required
- 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-5464Third Party Advisory
- https://www.debian.org/security/2023/dsa-5469Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-29/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-30/Vendor Advisory
FAQ
What is CVE-2023-4046?
CVE-2023-4046 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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....
How severe is CVE-2023-4046?
CVE-2023-4046 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-4046?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Debian Debian Linux.