high
7.8
CWE
416
Advisory Published
Updated

CVE-2018-16540: Use After Free

First published: Wed Sep 05 2018(Updated: )

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files to the builtin PDF14 converter could use a use-after-free in copydevice handling to crash the interpreter or possibly have unspecified other impact.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Artifex Ghostscript<9.24
Redhat Openshift Container Platform=3.11
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux Desktop=7.0
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server=7.6
Redhat Enterprise Linux Server Aus=7.6
Redhat Enterprise Linux Server Eus=7.5
Redhat Enterprise Linux Server Eus=7.6
Redhat Enterprise Linux Server Tus=7.6
Redhat Enterprise Linux Workstation=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
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+deb12u5
10.0.0~dfsg-11+deb12u6
10.04.0~dfsg-1
10.04.0~dfsg-2

Remedy

https://www.artifex.com/news/ghostscript-security-resolved/

Remedy

http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=c432131c3fdb2143e148e8ba88555f7f7a63b25e

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-16540?

    CVE-2018-16540 is a vulnerability in Artifex Ghostscript before 9.24 that allows attackers to supply crafted PostScript files to the PDF14 converter, leading to a use-after-free issue in copydevice handling.

  • How severe is CVE-2018-16540?

    CVE-2018-16540 has a severity rating of 7.8, which is considered high.

  • Which software versions are affected by CVE-2018-16540?

    Versions of Artifex Ghostscript before 9.24 are affected by CVE-2018-16540.

  • How can I fix CVE-2018-16540?

    To fix CVE-2018-16540, update Artifex Ghostscript to version 9.24 or later.

  • Where can I find more information about CVE-2018-16540?

    More information about CVE-2018-16540 can be found in the references provided.

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