Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 115.11.0 |
| Mozilla | Thunderbird | < 115.11.0 |
| Debian | Debian Linux | 10.0 |
| Open-Xchange | Open-Xchange Appsuite Frontend | < 7.10.6 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893645Issue Tracking
- https://lists.debian.org/debian-lts-announce/2024/05/msg00010.htmlMailing List
- https://lists.debian.org/debian-lts-announce/2024/05/msg00012.htmlMailing List
- https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-22/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-23/Vendor Advisory
- http://seclists.org/fulldisclosure/2024/Aug/30Mailing List
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893645Issue Tracking
- https://codeanlabs.com/blog/research/cve-2024-4367-arbitrary-js-execution-in-pdf
- https://github.com/gogs/gogs/issues/7928
- https://github.com/mozilla/pdf.js/releases/tag/v4.2.67
- https://lists.debian.org/debian-lts-announce/2024/05/msg00010.htmlMailing List
- https://lists.debian.org/debian-lts-announce/2024/05/msg00012.htmlMailing List
- https://www.exploit-db.com/exploits/52273
- https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory
FAQ
What is CVE-2024-4367?
CVE-2024-4367 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 Thun...
How severe is CVE-2024-4367?
CVE-2024-4367 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-4367?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Thunderbird, Debian Debian Linux, Open-Xchange Open-Xchange Appsuite Frontend.