CVE-2018-16511: Incorrect Type Cast
First published: Thu Aug 23 2018(Updated: )
An issue was discovered in Artifex Ghostscript before 9.24. A type confusion in "ztype" could be used by remote attackers able to supply crafted PostScript to crash the interpreter or possibly have unspecified other impact.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/ghostscript | <9.24 | 9.24 |
| debian/ghostscript | 9.53.3~dfsg-7+deb11u7 9.53.3~dfsg-7+deb11u9 10.0.0~dfsg-11+deb12u6 10.04.0~dfsg-2 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Artifex Software Ghostscript | <9.24 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =16.04 | |
| Ubuntu Linux | =18.04 | |
| redhat enterprise Linux desktop | =7.0 | |
| redhat enterprise Linux server | =7.0 | |
| redhat enterprise Linux server aus | =7.6 | |
| redhat enterprise Linux server eus | =7.6 | |
| redhat enterprise Linux server tus | =7.6 | |
| redhat enterprise Linux workstation | =7.0 |
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Reference Links
- http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=0edd3d6c634a577db261615a9dc2719bca7f6e01
- http://seclists.org/oss-sec/2018/q3/182
- https://access.redhat.com/errata/RHSA-2018:3650
- https://bugs.ghostscript.com/show_bug.cgi?id=699659
- https://lists.debian.org/debian-lts-announce/2018/09/msg00015.html
- https://security.gentoo.org/glsa/201811-12
- https://usn.ubuntu.com/3768-1/
- https://www.artifex.com/news/ghostscript-security-resolved/
- https://www.debian.org/security/2018/dsa-4288
- https://launchpad.net/bugs/cve/CVE-2018-16511
- http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=0edd3d6c
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1619748#c3
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1621359#c5
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1621359#c0
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1628536
- https://access.redhat.com/support/policy/updates/errata/
- https://bugzilla.redhat.com/show_bug.cgi?id=1621359
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=0edd3d6c634a577db261615a9dc2719bca7f6e01
- https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=0edd3d6c634a577db261615a9dc2719bca7f6e01
- https://security-tracker.debian.org/tracker/CVE-2018-16511
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16511
- https://nvd.nist.gov/vuln/detail/CVE-2018-16511
- https://ubuntu.com/security/CVE-2018-16511
Frequently Asked Questions
What is CVE-2018-16511?
CVE-2018-16511 is a vulnerability in Artifex Ghostscript before version 9.24 that allows remote attackers to crash the interpreter or have other unspecified impacts by exploiting a type confusion in "ztype".
How severe is CVE-2018-16511?
CVE-2018-16511 has a severity rating of 7.8 (high).
Which software versions are affected by CVE-2018-16511?
Artifex Ghostscript versions before 9.24 are affected by CVE-2018-16511.
How can I fix CVE-2018-16511?
To fix CVE-2018-16511, update Artifex Ghostscript to version 9.24 or later.
Where can I find more information about CVE-2018-16511?
You can find more information about CVE-2018-16511 in the references provided: [Reference 1](http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=0edd3d6c634a577db261615a9dc2719bca7f6e01), [Reference 2](http://seclists.org/oss-sec/2018/q3/182), [Reference 3](https://www.artifex.com/news/ghostscript-security-resolved/).
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