CVE-2020-16297

MEDIUM

Ghostscript 9.18-9.50 - Out-of-bounds Write in FloydSteinbergDitheringC

Title source: llm

Description

A buffer overflow vulnerability in FloydSteinbergDitheringC() in contrib/gdevbjca.c of Artifex Software GhostScript v9.18 to v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.

References (9)

Core 9

Core References

Mailing List, Third Party Advisory mailing-list

https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html

Third Party Advisory vendor-advisory

https://www.debian.org/security/2020/dsa-4748

Third Party Advisory vendor-advisory

https://security.gentoo.org/glsa/202008-20

Third Party Advisory vendor-advisory

https://usn.ubuntu.com/4469-1/

Exploit, Issue Tracking, Vendor Advisory

https://bugs.ghostscript.com/show_bug.cgi?id=701800

Patch

https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=bf72f1a3dd5392ee8291e3b1518a0c2c5dc6ba39

Product

https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/tree/contrib/gdevbjca.c?h=ghostpdl-9.18#n659

Broken Link

https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=bf72f1a3dd5392ee8291e3b1518a0c2c5dc6ba39

Broken Link

https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=bf72f1a3dd5392ee8291e3b1518a0c2c5dc6ba39

Scores

CVSS v3 5.5

EPSS 0.0043

EPSS Percentile 62.8%

Attack Vector LOCAL

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

Details

CWE

CWE-787

Status published

Products (6)

artifex/ghostscript 9.18 - 9.52

canonical/ubuntu_linux 16.04

canonical/ubuntu_linux 18.04

canonical/ubuntu_linux 20.04

debian/debian_linux 9.0

debian/debian_linux 10.0

Published Aug 13, 2020

Tracked Since Feb 18, 2026