[USN-7782-1] Ghostscript vulnerabilities

[noreply+usn-bot at canonical.com]

==========================================================================
Ubuntu Security Notice USN-7782-1
September 29, 2025

ghostscript vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in Ghostscript.

Software Description:
- ghostscript: PostScript and PDF interpreter

Details:

It was discovered that Ghostscript incorrectly handled opening a file to
write. An attacker could possibly use this issue to cause Ghostscript to
crash, resulting in a denial of service (CVE-2025-7462)

It was discovered that Ghostscript incorrectly handled writing certain
files. An attacker could possibly use this issue to cause Ghostscript to
crash, resulting in a denial of service (CVE-2025-59798, CVE-2025-59799)

It was discovered that Ghostscript incorrectly handled performing OCR on
certain files. An attacker could use this issue to cause Ghostscript to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2025-59800)

Update instructions:

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

Ubuntu 25.04
  ghostscript                     10.05.0dfsg1-0ubuntu1.2
  libgs10                         10.05.0dfsg1-0ubuntu1.2

Ubuntu 24.04 LTS
  ghostscript                     10.02.1~dfsg1-0ubuntu7.8
  libgs10                         10.02.1~dfsg1-0ubuntu7.8

Ubuntu 22.04 LTS
  ghostscript                     9.55.0~dfsg1-0ubuntu5.13
  libgs9                          9.55.0~dfsg1-0ubuntu5.13

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

References:
  https://ubuntu.com/security/notices/USN-7782-1
  CVE-2025-59798, CVE-2025-59799, CVE-2025-59800, CVE-2025-7462

Package Information:
  https://launchpad.net/ubuntu/+source/ghostscript/10.05.0dfsg1-0ubuntu1.2
  https://launchpad.net/ubuntu/+source/ghostscript/10.02.1~dfsg1-0ubuntu7.8
  https://launchpad.net/ubuntu/+source/ghostscript/9.55.0~dfsg1-0ubuntu5.13
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