CVE-2018-18651

MEDIUM

Xpdf 4.00 - Denial of Service via Large Loop in AcroForm.cc

Title source: llm
STIX 2.1

Description

An issue was discovered in Xpdf 4.00. catalog->getNumPages() in AcroForm.cc allows attackers to launch a denial of service (hang caused by large loop) via a specific pdf file, as demonstrated by pdftohtml. This is mainly caused by a large number after the /Count field in the file.

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747

Scores

CVSS v3 5.5
EPSS 0.0092
EPSS Percentile 55.6%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-834
Status published
Products (1)
xpdfreader/xpdf 4.00
Published Oct 25, 2018
Tracked Since Feb 18, 2026