CVE-2020-17538

MEDIUM

Artifex Software GhostScript <9.51 - Buffer Overflow

Title source: llm

Description

A buffer overflow vulnerability in GetNumSameData() in contrib/lips4/gdevlips.c of Artifex Software GhostScript from 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 (8)

Core 8

Core References

Patch

https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/tree/contrib/lips4/gdevlips.c?h=ghostscript-9.18#n148

Patch

https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=9f39ed4a92578a020ae10459643e1fe72573d134

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=701792

Broken Link

https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=9f39ed4a92578a020ae10459643e1fe72573d134

Scores

CVSS v3 5.5

EPSS 0.0052

EPSS Percentile 67.1%

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