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.

Published: Nov 23, 2018
Updated: Nov 9, 2025
CVE: CVE-2018-19477
Severity: Medium
Exploit:

CVSS v2:

Severity: Medium
Score: 6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs:

CWE-704

Affected Software
References

Software	From	Fixed in
artifex / ghostscript	-	9.26
debian / debian_linux	8.0	8.0.x
debian / debian_linux	9.0	9.0.x
canonical / ubuntu_linux	16.04	16.04.x
canonical / ubuntu_linux	14.04	14.04.x
canonical / ubuntu_linux	18.04	18.04.x
canonical / ubuntu_linux	18.10	18.10.x
redhat / enterprise_linux_desktop	7.0	7.0.x
redhat / enterprise_linux_workstation	7.0	7.0.x
redhat / enterprise_linux_server	7.0	7.0.x
redhat / enterprise_linux_server_tus	7.6	7.6.x
redhat / enterprise_linux_server_eus	7.6	7.6.x
redhat / enterprise_linux_server_aus	7.6	7.6.x
redhat / openshift_container_platform	3.11	3.11.x
redhat / enterprise_linux_server	7.6	7.6.x

http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=ef252e7dc214bcbd9a2539216aab9202848602bb
http://git.ghostscript.com/?p=ghostpdl.git;h=606a22e77e7f081781e99e44644cd0119f559e03
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/106154
https://access.redhat.com/errata/RHBA-2019:0327
https://access.redhat.com/errata/RHSA-2019:0229
https://bugs.ghostscript.com/show_bug.cgi?id=700168
https://lists.debian.org/debian-lts-announce/2018/11/msg00036.html
https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf
https://usn.ubuntu.com/3831-1/
https://www.debian.org/security/2018/dsa-4346
https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26

Vulnerability Database

313,551

CVE-2018-19477

Deep Security Visibility Without the Complexity