CVE-2020-36773

State: Published
Severity: 9.8 Critical
Published: Feb 4, 2024
Updated: May 22, 2025
Reserved: Feb 4, 2024

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).

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-787 Out-of-bounds Write
CWE-416 Use After Free

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://bugs.ghostscript.com/show_bug.cgi?id=702229
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874
https://bugzilla.opensuse.org/show_bug.cgi?id=1177922
https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530

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