1. Ubuntu Security Notices
  2. USN-7378-1

USN-7378-1: Ghostscript vulnerabilities

Publication date

27 March 2025

Overview

Several security issues were fixed in Ghostscript.

Releases

Packages

Details

It was discovered that Ghostscript incorrectly serialized DollarBlend in
certain fonts. An attacker could use this issue to cause Ghostscript to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2025-27830)

It was discovered that Ghostscript incorrectly handled the DOCXWRITE
TXTWRITE device. An attacker could use this issue to cause Ghostscript to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and
Ubuntu 24.10. (CVE-2025-27831)

It was discovered that Ghostscript incorrectly handled the NPDL device. An
attacker could use this issue to cause Ghostscript to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2025-27832)

It was discovered that Ghostscript...

It was discovered that Ghostscript incorrectly serialized DollarBlend in
certain fonts. An attacker could use this issue to cause Ghostscript to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2025-27830)

It was discovered that Ghostscript incorrectly handled the DOCXWRITE
TXTWRITE device. An attacker could use this issue to cause Ghostscript to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and
Ubuntu 24.10. (CVE-2025-27831)

It was discovered that Ghostscript incorrectly handled the NPDL device. An
attacker could use this issue to cause Ghostscript to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2025-27832)

It was discovered that Ghostscript incorrectly handled certain long TTF
file names. An attacker could use this issue to cause Ghostscript to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 24.10.
(CVE-2025-27833)

It was discovered that Ghostscript incorrectly handled oversized Type 4
functions in certain PDF documents. An attacker could use this issue to
cause Ghostscript to crash, resulting in a denial of service, or possibly
execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, Ubuntu
24.04 LTS, and Ubuntu 24.10. (CVE-2025-27834)

It was discovered that Ghostscript incorrectly handled converting certain
glyphs to Unicode. An attacker could use this issue to cause Ghostscript to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2025-27835)

It was discovered that Ghostscript incorrectly handled the BJ10V device. An
attacker could use this issue to cause Ghostscript to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2025-27836)

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
24.10 oracular ghostscript –  10.03.1~dfsg1-0ubuntu2.2
libgs10 –  10.03.1~dfsg1-0ubuntu2.2
24.04 noble ghostscript –  10.02.1~dfsg1-0ubuntu7.5
libgs10 –  10.02.1~dfsg1-0ubuntu7.5
22.04 jammy ghostscript –  9.55.0~dfsg1-0ubuntu5.11
libgs9 –  9.55.0~dfsg1-0ubuntu5.11
20.04 focal ghostscript –  9.50~dfsg-5ubuntu4.15
libgs9 –  9.50~dfsg-5ubuntu4.15

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References

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