Vulnerability Database

313,551

Total vulnerabilities in the database

CVE-2024-3855

In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.

  • Published: Apr 16, 2024
  • Updated: Nov 16, 2025
  • CVE: CVE-2024-3855
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWEs: