CVE-2020-36773

CRITICAL

9.8

Description

Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite) because a single character code in a PDF document can map to more than one Unicode code point (e.g., for a ligature).

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/4/2024

Last Modified5/22/2025

Sourcenvd

Honeypot Sightings0

Affected Products

artifex:ghostscript

Weaknesses (CWE)

CWE-416CWE-787CWE-416CWE-787

References

https://bugs.ghostscript.com/show_bug.cgi?id=702229(cve@mitre.org)

https://bugzilla.opensuse.org/show_bug.cgi?id=1177922(cve@mitre.org)

https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874(cve@mitre.org)

https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530(cve@mitre.org)

https://bugs.ghostscript.com/show_bug.cgi?id=702229(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.opensuse.org/show_bug.cgi?id=1177922(af854a3a-2127-422b-91ae-364da2661108)

https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.