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[USN-8113-2] LibTIFF vulnerabilities

Posted on 19 August 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8113-2
August 19, 2026

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

- Ubuntu 26.04 LTS

Summary:

Several security issues were fixed in LibTIFF.

Software Description:
- tiff: Tag Image File Format (TIFF) library

Details:

USN 8113-1 fixed vulnerabilities in tiff. This update
provides the corresponding fixes for Ubuntu 26.04 LTS.

Original advisory details:

It was discovered that LibTIFF did not properly handle memory when
processing certain images. An attacker could possibly use this issue to
cause LibTIFF to crash, resulting in a denial of service. (CVE-2025-61143)

It was discovered that LibTIFF did not properly handle memory when
processing malformed TIFF directories. An attacker could possibly use this
issue to cause LibTIFF to crash, resulting in a denial of service.
(CVE-2025-61144)

Update instructions:

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

Ubuntu 26.04 LTS
libtiff-opengl 4.7.0-3ubuntu5
libtiff-tools 4.7.0-3ubuntu5
libtiff6 4.7.0-3ubuntu5
libtiffxx6 4.7.0-3ubuntu5

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

References:
https://ubuntu.com/security/notices/USN-8113-2
https://ubuntu.com/security/notices/USN-8113-1
CVE-2025-61143, CVE-2025-61144

Package Information:
https://launchpad.net/ubuntu/+source/tiff/4.7.0-3ubuntu5

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