vulnerability

MFSA2024-22 Firefox: Security Vulnerabilities fixed in Firefox ESR 115.11 (CVE-2024-4367)

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Severity

CVSS

(AV:N/AC:M/Au:N/C:C/I:C/A:C)

Published

May 14, 2024

Added

May 15, 2024

Modified

Mar 27, 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.

Solution

mozilla-firefox-esr-upgrade-115_11

References

CVE-2024-4367
https://attackerkb.com/topics/CVE-2024-4367
CWE-754
EUVD-EUVD-2024-1831
http://www.mozilla.org/security/announce/2024/mfsa2024-22.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-1831

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