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CVE-2024-4367

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Date: May 14, 2024

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.

Language: JS

Severity Score

Related Resources (16)

https://bugzilla.mozilla.org/show_bug.cgi?id=1893645
https://github.com/mozilla/pdf.js/commit/85e64b5c16c9aaef738f421733c12911a441cec6
https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
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://github.com/mozilla/pdf.js/pull/18015
http://seclists.org/fulldisclosure/2024/Aug/30
https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
https://nvd.nist.gov/vuln/detail/CVE-2024-4367
https://github.com/mozilla/pdf.js/security/advisories/GHSA-wgrm-67xf-hhpq
https://www.mozilla.org/security/advisories/mfsa2024-23/
https://github.com/mozilla/pdf.js
https://www.mozilla.org/security/advisories/mfsa2024-22/
https://www.mozilla.org/security/advisories/mfsa2024-21/
https://www.mend.io/vulnerability-database/CVE-2024-4367

Severity Score

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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