Description
There is an invalid memory access in the function GfxIndexedColorSpace::mapColorToBase() located in GfxState.cc in Xpdf 4.0.0, as used in pdfalto 0.2. It can be triggered by (for example) 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
Third Party Advisory x_refsource_misc
https://github.com/kermitt2/pdfalto/issues/46
Exploit, Third Party Advisory x_refsource_misc
https://research.loginsoft.com/bugs/invalid-memory-access-in-gfxindexedcolorspacemapcolortobase-pdfalto-0-2/
Scores
CVSS v3
7.8
EPSS
0.0031
EPSS Percentile
54.4%
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
Status
published
Products (2)
pdfalto_project/pdfalto
0.2
xpdfreader/xpdf
4.0.0
Published
Mar 21, 2019
Tracked Since
Feb 18, 2026