CVE-2023-4049
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-4049
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4049.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2023-4049
- Downstream
- Related
- Published
- 2023-08-01T15:15:10Z
- Modified
- 2025-08-09T19:01:28Z
- Severity
-
- 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
- References
-
- 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/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1842658
- https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html