CVE-2024-4367 | BDVDB-2026-235484 Detail
MozillaFirefox
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.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact low. Attack vector: network.
Weaknesses#
- CWE-754 Improper Check for Unusual or Exceptional Conditions
References#
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893645
- https://www.mozilla.org/security/advisories/mfsa2024-21/
- https://www.mozilla.org/security/advisories/mfsa2024-22/
- https://www.mozilla.org/security/advisories/mfsa2024-23/
- https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
- https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
- http://seclists.org/fulldisclosure/2024/Aug/30
- https://github.com/mozilla/pdf.js/releases/tag/v4.2.67
- https://codeanlabs.com/blog/research/cve-2024-4367-arbitrary-js-execution-in-pdf-js/
- https://github.com/gogs/gogs/issues/7928
- https://www.exploit-db.com/exploits/52273
- https://cert-portal.siemens.com/productcert/html/ssa-827383.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.