CVE-2020-16306: Null Pointer Dereference
First published: Thu Aug 13 2020(Updated: )
A null pointer dereference vulnerability in devices/gdevtsep.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/ghostscript | <0:9.27-1.el8 | 0:9.27-1.el8 |
| Artifex Ghostscript | =9.50 | |
| 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 |
Remedy
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Remedy
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=aadb53eb834b3def3ef68d78865ff87a68901804
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2020-16306 https://nvd.nist.gov/vuln/detail/CVE-2020-16306
- https://bugzilla.redhat.com/show_bug.cgi?id=1870165
- https://access.redhat.com/errata/RHSA-2021:1852
- https://access.redhat.com/security/cve/cve-2020-16306
- http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=aadb53eb834b3def3ef68d78865ff87a68901804
- https://bugs.ghostscript.com/show_bug.cgi?id=701821
- 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-2020-16306
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=aadb53eb834b3def3ef68d78865ff87a68901804
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1870166
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=aadb53eb834b3def3ef68d78865ff87a68901804
- https://security-tracker.debian.org/tracker/CVE-2020-16306
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16306
- https://nvd.nist.gov/vuln/detail/CVE-2020-16306
- https://ubuntu.com/security/CVE-2020-16306
Frequently Asked Questions
What is CVE-2020-16306?
CVE-2020-16306 is a null pointer dereference vulnerability in devices/gdevtsep.c of Artifex Software GhostScript v9.50.
How does CVE-2020-16306 impact the system?
CVE-2020-16306 allows a remote attacker to cause a denial of service via a crafted postscript file.
What is the severity of CVE-2020-16306?
CVE-2020-16306 has a severity level of medium (5.5).
Which version of GhostScript fixes CVE-2020-16306?
CVE-2020-16306 is fixed in GhostScript v9.51.
Where can I find more information about CVE-2020-16306?
You can find more information about CVE-2020-16306 at the following references: [Reference 1](http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=aadb53eb834b3def3ef68d78865ff87a68901804), [Reference 2](https://bugs.ghostscript.com/show_bug.cgi?id=701821), [Reference 3](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1870166).
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