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 map to more than one Unicode code point (e.g., for a ligature).

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:artifex:ghostscript:9.51:::::::*
	cpe:2.3:a:artifex:ghostscript:9.52:::::::*
	cpe:2.3:a:artifex:ghostscript:9.52.1:::::::*
	cpe:2.3:a:artifex:ghostscript:9.53.0:rc1::::::
	cpe:2.3:a:artifex:ghostscript:9.53.0:rc2::::::

History

No history.

Information

Published : 2024-02-04 18:16

Updated : 2024-11-21 05:30

NVD link : CVE-2020-36773

Mitre link : CVE-2020-36773

CVE.ORG link : CVE-2020-36773

JSON object : View

Products Affected

artifex

ghostscript

CWE

CWE-416

Use After Free

CWE-787

Out-of-bounds Write

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