CVE-2024-4367

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-754

Affected software

No affected versions have been published.

Timeline

Published: May 14, 2024
Last modified: Jun 17, 2026
NVD status: Modified

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