CVE-2020-16295: Null Pointer Dereference
First published: Thu Aug 13 2020(Updated: )
A null pointer dereference vulnerability in clj_media_size() in devices/gdevclj.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Artifex Ghostscript | <9.52 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =20.04 | |
| redhat/ghostscript | <9.51 | 9.51 |
| debian/ghostscript | 9.53.3~dfsg-7+deb11u7 10.0.0~dfsg-11+deb12u4 10.0.0~dfsg-11+deb12u5 10.04.0~dfsg-1 |
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Reference Links
- http://git.ghostscript.com/?p=ghostpdl.git;h=2c2dc335c212750e0fb8ae157063bc06cafa8d3e
- https://bugs.ghostscript.com/show_bug.cgi?id=701796
- https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html
- https://security.gentoo.org/glsa/202008-20
- https://usn.ubuntu.com/4469-1/
- https://www.debian.org/security/2020/dsa-4748
- https://launchpad.net/bugs/cve/CVE-2020-16295
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=2c2dc335c212750e0fb8ae157063bc06cafa8d3e
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1870180
- https://access.redhat.com/errata/RHSA-2021:1852
- https://access.redhat.com/security/cve/cve-2020-16295
- https://bugzilla.redhat.com/show_bug.cgi?id=1870179
- https://git.ghostscript.com/?p=ghostpdl.git;h=2c2dc335c212750e0fb8ae157063bc06cafa8d3e
- https://security-tracker.debian.org/tracker/CVE-2020-16295
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16295
- https://nvd.nist.gov/vuln/detail/CVE-2020-16295
- https://ubuntu.com/security/CVE-2020-16295
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-16295.
What is the severity of CVE-2020-16295?
The severity of CVE-2020-16295 is medium with a severity value of 5.5.
How does CVE-2020-16295 affect Artifex Software GhostScript?
CVE-2020-16295 allows a remote attacker to cause a denial of service via a crafted PDF file in Artifex Software GhostScript versions before v9.51.
How do I fix CVE-2020-16295 in Artifex Software GhostScript?
To fix CVE-2020-16295, update Artifex Software GhostScript to version 9.51 or later.
Where can I find more information about CVE-2020-16295?
You can find more information about CVE-2020-16295 on the following references: [Git Commit](http://git.ghostscript.com/?p=ghostpdl.git;h=2c2dc335c212750e0fb8ae157063bc06cafa8d3e), [Bugzilla](https://bugs.ghostscript.com/show_bug.cgi?id=701796), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1870180).
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