VULNERABILITY INTELLIGENCE

CVE-2024-3855

CVSS score6.5 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2024-04-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

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

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references