CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
AI Score
Confidence
Low
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.
bugzilla.mozilla.org/show_bug.cgi?id=1893645
ubuntu.com/security/CVE-2024-4367
ubuntu.com/security/notices/USN-6779-1
ubuntu.com/security/notices/USN-6782-1
www.cve.org/CVERecord?id=CVE-2024-4367
www.mozilla.org/en-US/security/advisories/mfsa2024-21/#CVE-2024-4367
www.mozilla.org/en-US/security/advisories/mfsa2024-22/#CVE-2024-4367
www.mozilla.org/en-US/security/advisories/mfsa2024-23/#CVE-2024-4367
www.mozilla.org/security/advisories/mfsa2024-21/
www.mozilla.org/security/advisories/mfsa2024-22/
www.mozilla.org/security/advisories/mfsa2024-23/