CVE-2018-19477

HIGH

Ghostscript < 9.26 - Remote Code Execution via JBIG2Decode Type Confusion

Title source: llm
STIX 2.1

Description

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

References (11)

Core 11
Core References
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4346
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:0229
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3831-1/
Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugs.ghostscript.com/show_bug.cgi?id=700168
Exploit, Mitigation, Third Party Advisory x_refsource_misc
https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106154
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/11/msg00036.html
Release Notes, Vendor Advisory x_refsource_misc
https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHBA-2019:0327

Scores

CVSS v3 7.8
EPSS 0.0304
EPSS Percentile 85.8%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-704
Status published
Products (15)
artifex/ghostscript < 9.26
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
debian/debian_linux 9.0
redhat/enterprise_linux_desktop 7.0
redhat/enterprise_linux_server 7.0
redhat/enterprise_linux_server 7.6
... and 5 more
Published Nov 23, 2018
Tracked Since Feb 18, 2026