[USN-6297-1] Ghostscript vulnerability
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Ubuntu Security Notice USN-6297-1
August 17, 2023
ghostscript vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
Summary:
Ghostscript could be made to crash if it received specially crafted input.
Software Description:
- ghostscript: PostScript and PDF interpreter
Details:
It was discovered that Ghostscript incorrectly handled outputting certain
PDF files. A local attacker could potentially use this issue to cause
a crash, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.04:
ghostscript 10.0.0~dfsg1-0ubuntu1.3
libgs10 10.0.0~dfsg1-0ubuntu1.3
Ubuntu 22.04 LTS:
ghostscript 9.55.0~dfsg1-0ubuntu5.4
libgs9 9.55.0~dfsg1-0ubuntu5.4
Ubuntu 20.04 LTS:
ghostscript 9.50~dfsg-5ubuntu4.9
libgs9 9.50~dfsg-5ubuntu4.9
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
ghostscript 9.26~dfsg+0-0ubuntu0.18.04.18+esm1
libgs9 9.26~dfsg+0-0ubuntu0.18.04.18+esm1
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
ghostscript 9.26~dfsg+0-0ubuntu0.16.04.14+esm6
libgs9 9.26~dfsg+0-0ubuntu0.16.04.14+esm6
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6297-1
CVE-2023-38559
Package Information:
https://launchpad.net/ubuntu/+source/ghostscript/10.0.0~dfsg1-0ubuntu1.3
https://launchpad.net/ubuntu/+source/ghostscript/9.55.0~dfsg1-0ubuntu5.4
https://launchpad.net/ubuntu/+source/ghostscript/9.50~dfsg-5ubuntu4.9
A Ghostscript security update has been released for Ubuntu Linux 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 23.04.
