CVSS 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
- 2024-05-14
- Last Modified
- 2025-04-24
- Exploit-DB
- EDB-52273
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?
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