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CVE-2024-4367

Published: May 14, 2024Updated: May 12, 2026 Sources: CVE List NVD GHSA BDU csafNVD-CWE-noinfo
NVD MITRE
8.8CVSSHIGH
EPSS Score
72.6%
Top 0.6%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Am I actually vulnerable?11 Nuclei templates available — see how to check your systems. How to verify

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 Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfoCWE-754

Affected Products

firefoxmozilla
On-premDesktop App
Consumer Software / browser
thunderbirdmozilla
On-premDesktop App
Communications / email-server-client
debian linuxdebian
On-premOS
Operating Systems / linux-distro
open-xchange appsuite frontendopen-xchangeCommunications
FirefoxMozilla
On-premDesktop App
Consumer Software / browser
mozillaoss-projectUSConsumer Softwareaka mozilla corp.
debianoss-projectGBOperating Systemsaka debian gnu/linux
open-xchangecommercialDECommunicationsaka open-xchange gmbh, ox
and 28 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1893645
bugzilla.mozilla.org
https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
lists.debian.org
and 54 more references View all →

Timeline

Published
May 14, 2024
Last Updated
May 12, 2026

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