High severity · published May 14, 2024
CVE-2024-4367
A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context
8.8
CVSS
70.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)70.7% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 115.11.0; before 126.0 · source: NVD
DL
Debian Linux · Debian
10.0 · source: NVD
OA
Open-xchange Appsuite Frontend · Open-xchange
before 7.10.6; 7.10.6; 7.10.6; 7.10.6; 7.10.6; 7.10.6; +34 more · source: NVD
TH
Thunderbird · Mozilla
before 115.11.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-4367
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-4367
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1893645
Mailing List
https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
Mailing List
https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
Vendor Advisory
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/
More from Firefox
10.0
CVE-2019-11708
Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
9.8
CVE-2024-9680
Mozilla Firefox Use-After-Free Vulnerability
9.8
CVE-2010-3765
Mozilla Multiple Products Remote Code Execution Vulnerability
9.6
CVE-2022-26486
Mozilla Firefox Use-After-Free Vulnerability
8.8
CVE-2023-5217
Google Chromium libvpx Heap Buffer Overflow Vulnerability