CVE-2024-7868 LOW

CVE-2024-7868: Uninitialized variable in Xpdf 4.05 due to invalid JPEG header

Vendor Xpdf
Product Xpdf
Weakness CWE-457
Published August 15, 2024
Last update October 6, 2025
View on NVD All CVEs

CVSS base score

2.1/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 15, 2024 CVE published
October 6, 2025 Record updated