CVE-2024-7868

Uninitialized variable in Xpdf 4.05 due to invalid JPEG header

State: Published
Severity: 2.1 Low
Published: Aug 15, 2024
Updated: Oct 6, 2025
Reserved: Aug 15, 2024

Description

In Xpdf 4.05 (and earlier), invalid header info in a DCT (JPEG) stream can lead to an uninitialized variable in the DCT decoder. The proof-of-concept PDF file causes a segfault attempting to read from an invalid address.

Scores

CVSS	Score	Vector	Source
4.0	2.1 Low	CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	GandC

Weaknesses

CWE-457 Use of Uninitialized Variable

Affected Products

Product	Versions
XpdfXpdf	4.05 and earlierAffected

References

https://www.xpdfreader.com/security-bug/CVE-2024-7868.html

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