CVE-2024-4367
HIGHCVSS v3
8.8
HIGH
EPSS Score
34.6%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 5/14/2024
- Last Modified
- 4/24/2025
Frequently Asked Questions
What is 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. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
Is CVE-2024-4367 actively exploited?
Active exploitation of CVE-2024-4367 has not been confirmed. The EPSS score is 34.6%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2024-4367?
CVE-2024-4367 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string 3.1.
Is CVE-2024-4367 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.