A LibTIFF security update has been released for Ubuntu Linux 14.04 ESM and 16.04 ESM.

USN-5604-1: LibTIFF vulnerabilities

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Ubuntu Security Notice USN-5604-1
September 08, 2022

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

- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in LibTIFF.

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

Details:

It was discovered that LibTIFF incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service,
or possibly execute arbitrary code. (CVE-2022-2867, CVE-2022-2869)

It was discovered that LibTIFF incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2022-2868)

Update instructions:

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

Ubuntu 16.04 ESM:
libtiff-opengl 4.0.6-1ubuntu0.8+esm3
libtiff-tools 4.0.6-1ubuntu0.8+esm3
libtiff5 4.0.6-1ubuntu0.8+esm3
libtiffxx5 4.0.6-1ubuntu0.8+esm3

Ubuntu 14.04 ESM:
libtiff-opengl 4.0.3-7ubuntu0.11+esm3
libtiff-tools 4.0.3-7ubuntu0.11+esm3
libtiff5 4.0.3-7ubuntu0.11+esm3
libtiffxx5 4.0.3-7ubuntu0.11+esm3

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

References:
https://ubuntu.com/security/notices/USN-5604-1
CVE-2022-2867, CVE-2022-2868, CVE-2022-2869