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ubuntucveUbuntu.comUB:CVE-2024-4367
HistoryMay 14, 2024 - 12:00 a.m.

CVE-2024-4367

2024-05-1400:00:00
ubuntu.com
ubuntu.com
6
pdf.js vulnerability
javascript execution
firefox
thunderbird
cve-2024-4367
font handling
type check
security issue
unix
mozilla

5.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

10.4%

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.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
mdeslaur starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap starting with Ubuntu 24.04, the thunderbird package is just a script that installs the Thunderbird snap