Description
There is an invalid memory access vulnerability in the function TextPage::findGaps() located at TextOutputDev.c in Xpdf 4.01, which can (for example) be triggered by sending a crafted pdf file to the pdftops binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://research.loginsoft.com/bugs/invalid-memory-access-in-textpagefindgaps-xpdf-4-01/
Vendor Advisory x_refsource_misc
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41265
Scores
CVSS v3
7.8
EPSS
0.0030
EPSS Percentile
53.2%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-125
CWE-787
Status
published
Products (1)
xpdfreader/xpdf
4.0.1
Published
Mar 21, 2019
Tracked Since
Feb 18, 2026