CVE-2018-19477

psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion.

• CWE-704

• http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=ef252e7dc214bcbd9a2539216aab9202848602bb
• http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119f559e03
• http://www.securityfocus.com/bid/106154Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
• https://access.redhat.com/errata/RHSA-2019:0229Third Party Advisory
• https://bugs.ghostscript.com/show_bug.cgi?id=700168Issue Tracking, Patch, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2018/11/msg00036.htmlMailing List, Third Party Advisory
• https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdfExploit, Mitigation, Third Party Advisory
• https://usn.ubuntu.com/3831-1/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4346Third Party Advisory
• https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26Release Notes, Vendor Advisory
• http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=ef252e7dc214bcbd9a2539216aab9202848602bb
• http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119f559e03
• http://www.securityfocus.com/bid/106154Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
• https://access.redhat.com/errata/RHSA-2019:0229Third Party Advisory
• https://bugs.ghostscript.com/show_bug.cgi?id=700168Issue Tracking, Patch, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2018/11/msg00036.htmlMailing List, Third Party Advisory
• https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdfExploit, Mitigation, Third Party Advisory
• https://usn.ubuntu.com/3831-1/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4346Third Party Advisory
• https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26Release Notes, Vendor Advisory

Published

Nov 23, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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