vulnerability

MFSA2024-18 Firefox: Security Vulnerabilities fixed in Firefox 125 (CVE-2024-3855)

Severity

CVSS

(AV:N/AC:M/Au:N/C:N/I:N/A:C)

Published

Apr 16, 2024

Added

Apr 17, 2024

Modified

Mar 27, 2026

Description

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

mozilla-firefox-upgrade-125_0

Rapid7 Labs

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