Ubuntu: 20.10/20.04 LTS USN-4755-1 Moderate: libtiff Denial of Service

ubuntu

February 25, 2021

Several security issues were fixed in LibTIFF.

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 malformed

images. If a user or automated system were tricked into opening a specially

crafted image, a remote attacker could crash the application, leading to a

denial of service, or possibly execute arbitrary code with user privileges.

Topics Covered

security advisory denial of service security issue update Ubuntu software fix ubuntu libtiff CVE identification

Update Instructions

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

Ubuntu 20.10:
  libtiff-tools                   4.1.0+git191117-2ubuntu0.20.10.1
  libtiff5                        4.1.0+git191117-2ubuntu0.20.10.1

Ubuntu 20.04 LTS:
  libtiff-tools                   4.1.0+git191117-2ubuntu0.20.04.1
  libtiff5                        4.1.0+git191117-2ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  libtiff-tools                   4.0.9-5ubuntu0.4
  libtiff5                        4.0.9-5ubuntu0.4

Ubuntu 16.04 LTS:
  libtiff-tools                   4.0.6-1ubuntu0.8
  libtiff5                        4.0.6-1ubuntu0.8

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