VULNERABILITY INTELLIGENCE

CVE-2024-4367

CVSS score8.8 HIGH
EPSS probability70.66%
CISA KEVNot currently listed
Published2024-05-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • CWE-754: Improper Check for Unusual or Exceptional Conditions

Primary references