CVE-2024-4367 Affecting firefox-esr package, versions <115.11.0-r0


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-CHAINGUARDLATEST-FIREFOXESR-7116490
  • published25 May 2024
  • disclosed14 May 2024

Introduced: 14 May 2024

CVE-2024-4367  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Chainguard firefox-esr to version 115.11.0-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.

A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

CVSS Scores

version 3.1