CVE-2024-4141: Out-of-bounds array write in Xpdf 4.05 due to incorrect bounds check

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-24 · updated 2026-06-17
Weakness: CWE-787

Description

Out-of-bounds array write in Xpdf 4.05 and earlier, triggered by an invalid character code in a Type 1 font. The root problem was a bounds check that was being optimized away by modern compilers.

Affected products

Xpdf: through 4.05

References

https://www.xpdfreader.com/security-bug/CVE-2024-4141.html
https://www.xpdfreader.com/security-bug/CVE-2024-4141.html

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