Resource exhaustion in Mozilla Firefox
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.
EPSS: 0.012 (64.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Debian Debian_linux — versions 11.0, 12.0
Weakness classification (CWE)
References
- security@mozilla.org (Permissions Required, Issue Tracking)
- security@mozilla.org (Vendor Advisory)
- security@mozilla.org (Vendor Advisory)
- security@mozilla.org (Vendor Advisory)
- security@mozilla.org (Third Party Advisory)
- security@mozilla.org (Third Party Advisory)
- security@mozilla.org
- security@mozilla.org
Frequently asked questions
- What is CVE-2023-4046?
- CVE-2023-4046 is a medium-severity vulnerability in Mozilla Firefox, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2023-08-01.
- How severe is CVE-2023-4046?
- Medium severity. CVSS v3 base score is 5.3 out of 10.