CVE-2020-24996

HIGH

Xpdf 4.0.2 - Denial of Service via Crafted PDF File in TextString Destructor

Title source: llm
STIX 2.1

Description

There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

References (1)

Core 1
Core References
Exploit, Vendor Advisory x_refsource_misc
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42028

Scores

CVSS v3 7.8
EPSS 0.0105
EPSS Percentile 59.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-665
Status published
Products (1)
xpdfreader/xpdf 4.0.2
Published Sep 03, 2020
Tracked Since Feb 18, 2026