AUGUST 4, 2026
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Case File

CVE-2024-3855

MEDIUM · CVSS 6.5 EPSS 0.40%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-04-16 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects Firefox.

CVE
CVE-2024-3855
Severity
MEDIUM
CVSS
6.5
EPSS
0.40%
Firefox

Original NVD Description

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

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-16412 CRITICAL CVE-2026-16411 CRITICAL CVE-2026-16410 CRITICAL CVE-2026-16409 HIGH CVE-2026-16408 CRITICAL CVE-2026-16407 CRITICAL