PoC Index

CVE-2024-4367

HIGH 8.8EPSS 70.7%

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 v3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v3.1
5.6 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
70.66% chance of exploitation in the next 30 days, 99th percentile
Published
2024-05-14
Updated
2026-05-12

Proof-of-concept exploits (27)

ExploitDB entries (1)

Vulhub environments (1)

References

Related