USN-7783-1: LibTIFF vulnerabilities

Publication date

29 September 2025

Overview

Several security issues were fixed in LibTIFF.


Packages

  • tiff - Tag Image File Format (TIFF) library

Details

Xudong Cao and Yuqing Zhang discovered that LibTIFF incorrectly handled
memory when parsing malformed TIFF images. An attacker could possibly use
this issue to cause LibTIFF to crash, resulting in a denial of service.
(CVE-2025-8961)

Xudong Cao and Yuqing Zhang discovered that LibTIFF incorrectly handled
memory when parsing malformed TIFF image headers. An attacker could
possibly use this issue to cause LibTIFF to leak memory, resulting in a
denial of service. (CVE-2025-9165)

It was discovered that LibTIFF incorrectly handled memory when parsing
malformed TIFF image metadata. An attacker could possibly use this issue to
cause a denial of service, obtain sensitive information, or execute
arbitrary code. (CVE-2025-9900)

Xudong Cao and Yuqing Zhang discovered that LibTIFF incorrectly handled
memory when parsing malformed TIFF images. An attacker could possibly use
this issue to cause LibTIFF to crash, resulting in a denial of service.
(CVE-2025-8961)

Xudong Cao and Yuqing Zhang discovered that LibTIFF incorrectly handled
memory when parsing malformed TIFF image headers. An attacker could
possibly use this issue to cause LibTIFF to leak memory, resulting in a
denial of service. (CVE-2025-9165)

It was discovered that LibTIFF incorrectly handled memory when parsing
malformed TIFF image metadata. An attacker could possibly use this issue to
cause a denial of service, obtain sensitive information, or execute
arbitrary code. (CVE-2025-9900)

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
25.04 plucky libtiff6 –  4.5.1+git230720-4ubuntu4.2
24.04 noble libtiff6 –  4.5.1+git230720-4ubuntu2.4
22.04 jammy libtiff5 –  4.3.0-6ubuntu0.12
20.04 focal libtiff5 –  4.1.0+git191117-2ubuntu0.20.04.14+esm2  
18.04 bionic libtiff5 –  4.0.9-5ubuntu0.10+esm9  
16.04 xenial libtiff5 –  4.0.6-1ubuntu0.8+esm19  
14.04 trusty libtiff5 –  4.0.3-7ubuntu0.11+esm16  

Reduce your security exposure

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