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CVE-2023-4049
Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable…
Medium5.9EPSS 0.63%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.63% · top 49% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
- Fix potential race conditions when releasing platform objects
- CWE-362 (opens in a new tab)All about CWE-362 and its CVEs
Affected products
- affected unspecified – < 116
- affected unspecified – < 102.14
- affected unspecified – < 115.1
References (8)
- https://bugzilla.mozilla.org/show_bug.cgi?id=1842658 (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2023-29/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2023-30/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2023-31/ (opens in a new tab)x_transferred
- https://www.debian.org/security/2023/dsa-5464 (opens in a new tab)x_transferred
- https://www.debian.org/security/2023/dsa-5469 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-4049)Record last updated .