CVE-2024-4764 Affecting firefox-esr package, versions <126-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.57% (43rd percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-FIREFOXESR-17765054
  • published1 Jul 2026
  • disclosed14 May 2024

Introduced: 14 May 2024

CVE-2024-4764  (opens in a new tab)

How to fix?

Upgrade Chainguard firefox-esr to version 126-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.

Multiple WebRTC threads could have claimed a newly connected audio input leading to use-after-free. This vulnerability affects Firefox < 126.