Use After Free Affecting libgs package, versions <0:9.27-1.el8
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-LIBGS-4010439
- published 26 Jul 2021
- disclosed 2 Sep 2020
Introduced: 2 Sep 2020
CVE-2020-14373 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 use after free was found in igc_reloc_struct_ptr() of psi/igc.c of ghostscript-9.25. A local attacker could supply a specially crafted PDF file to cause a denial of service.
References
- https://access.redhat.com/security/cve/CVE-2020-14373
- https://bugs.ghostscript.com/show_bug.cgi?id=702851
- https://bugzilla.redhat.com/show_bug.cgi?id=1873239
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=ece5cbbd9979cd35737b00e68267762d72feb2ea;hp=1ef5f08f2c2e27efa978f0010669ff22355c385f
- https://access.redhat.com/errata/RHSA-2021:1852
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=ece5cbbd9979cd35737b00e68267762d72feb2ea%3Bhp=1ef5f08f2c2e27efa978f0010669ff22355c385f
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