Critical severity · published Feb 4, 2024
CVE-2020-36773
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…
9.8
CVSS
0.9%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GH
Ghostscript · Artifex
9.51; 9.52; 9.52.1; 9.53.0; 9.53.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36773
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36773
Issue Tracking
https://bugs.ghostscript.com/show_bug.cgi?id=702229
Issue Tracking
https://bugzilla.opensuse.org/show_bug.cgi?id=1177922
Broken Link
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8c7bd787defa071c96289b7da9397f673fddb874
Release Notes
https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/tag/gs9530
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