NULL Pointer Dereference Affecting libgs package, versions <0:9.27-1.el8
Threat Intelligence
EPSS
0.39% (74th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-LIBGS-4030467
- published 26 Jul 2021
- disclosed 13 Aug 2020
Introduced: 13 Aug 2020
CVE-2020-16293 Open this link in a new tabHow to fix?
Upgrade RHEL:8 libgs to version 0:9.27-1.el8 or higher.
This issue was patched in RHSA-2021:1852.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libgs package and not the libgs package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
A null pointer dereference vulnerability in compose_group_nonknockout_nonblend_isolated_allmask_common() in base/gxblend.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.
References
- https://access.redhat.com/security/cve/CVE-2020-16293
- https://www.debian.org/security/2020/dsa-4748
- https://security.gentoo.org/glsa/202008-20
- https://bugs.ghostscript.com/show_bug.cgi?id=701795
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=7870f4951bcc6a153f317e3439e14d0e929fd231
- https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html
- https://access.redhat.com/errata/RHSA-2021:1852
- https://usn.ubuntu.com/4469-1/
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=7870f4951bcc6a153f317e3439e14d0e929fd231
CVSS Scores
version 3.1