USN-8791-1: Ghostscript vulnerability

Publication date

21 September 2026

Overview

Ghostscript could be made to crash or run programs as your login if it opened a specially crafted file.


Packages

Details

It was discovered that Ghostscript incorrectly handled JPEG 2000 image
components with mismatched subsampling factors. An attacker could
possibly use this issue to cause Ghostscript to crash or execute
arbitrary code if it opened a specially crafted file.

It was discovered that Ghostscript incorrectly handled JPEG 2000 image
components with mismatched subsampling factors. An attacker could
possibly use this issue to cause Ghostscript to crash or execute
arbitrary code if it opened a specially crafted file.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
26.04 LTS resolute ghostscript –  10.06.0~dfsg-3ubuntu1.1
libgs10 –  10.06.0~dfsg-3ubuntu1.1
24.04 LTS noble ghostscript –  10.02.1~dfsg1-0ubuntu7.9
libgs10 –  10.02.1~dfsg1-0ubuntu7.9
22.04 LTS jammy ghostscript –  9.55.0~dfsg1-0ubuntu5.14
libgs9 –  9.55.0~dfsg1-0ubuntu5.14

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