CVE-2024-7868

Uninitialized variable in Xpdf 4.05 due to invalid JPEG header

Published Aug 15, 2024 CVSS 4.0 · 2.1 Low EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Xpdf

unaffected

Version	Status	Constraints
`0`	affected	≤ 4.05

Configuration 1 [-]

cpe:2.3:a:xpdfreader:xpdf:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2024-48719	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.

Metrics

Attack Vector Local

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.395% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

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

History

Oct 6, 2025 10:45 PM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-457

Sep 11, 2024 1:00 PM First appearance in the feed. Affected versions updated. Affected vendors updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
First Time appeared		Xpdfreader Xpdfreader xpdf
CPEs		cpe:2.3:a:xpdfreader:xpdf::::::::
Vendors & Products		Xpdfreader Xpdfreader xpdf
Metrics		cvssV3_1 `{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H'}`

Aug 15, 2024 9:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Aug 15, 2024 8:30 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
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.
Title		Uninitialized variable in Xpdf 4.05 due to invalid JPEG header
Weaknesses		CWE-908
References		https://www.xpdfreader.com/security-bug/CVE-2024-7868.html
Metrics		cvssV4_0 `{'score': 2.1, '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'}`