CVE-2024-3855 Affecting firefox package, versions <125.0.1-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOX-6615903
  • published17 Apr 2024
  • disclosed16 Apr 2024

Introduced: 16 Apr 2024

CVE-2024-3855  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox to version 125.0.1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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