CVE-2024-29943 Affecting firefox-esr package, versions <124.0.1-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
22.94% (98th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-FIREFOXESR-17764892
  • published1 Jul 2026
  • disclosed22 Mar 2024

Introduced: 22 Mar 2024

CVE-2024-29943  (opens in a new tab)

How to fix?

Upgrade Chainguard firefox-esr to version 124.0.1-r0 or higher.

NVD Description

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

An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination. This vulnerability affects Firefox < 124.0.1.

CVSS Base Scores

version 3.1