Use After Free in Mozilla Firefox
CVE-2024-3853
A use-after-free could result if a JavaScript realm was in the process of being initialized when a garbage collection started. This vulnerability affects Firefox < 125.
Vulnerability class: Use-After-Free
EPSS: 0.004 (28.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
References
- security@mozilla.org (Issue Tracking)
- security@mozilla.org (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-3853?
- CVE-2024-3853 is a high-severity vulnerability in Mozilla Firefox, classified under Use After Free. CVSS score: 7.5/10. Published 2024-04-16.
- How severe is CVE-2024-3853?
- High severity. CVSS v3 base score is 7.5 out of 10.