Advisory Published

USN-4755-1: LibTIFF vulnerabilities

First published: Thu Feb 25 2021(Updated: )

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.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libtiff-tools<4.1.0+git191117-2ubuntu0.20.10.1
4.1.0+git191117-2ubuntu0.20.10.1
=20.10
All of
ubuntu/libtiff5<4.1.0+git191117-2ubuntu0.20.10.1
4.1.0+git191117-2ubuntu0.20.10.1
=20.10
All of
ubuntu/libtiff-tools<4.1.0+git191117-2ubuntu0.20.04.1
4.1.0+git191117-2ubuntu0.20.04.1
=20.04
All of
ubuntu/libtiff5<4.1.0+git191117-2ubuntu0.20.04.1
4.1.0+git191117-2ubuntu0.20.04.1
=20.04
All of
ubuntu/libtiff-tools<4.0.9-5ubuntu0.4
4.0.9-5ubuntu0.4
=18.04
All of
ubuntu/libtiff5<4.0.9-5ubuntu0.4
4.0.9-5ubuntu0.4
=18.04
All of
ubuntu/libtiff-tools<4.0.6-1ubuntu0.8
4.0.6-1ubuntu0.8
=16.04
All of
ubuntu/libtiff5<4.0.6-1ubuntu0.8
4.0.6-1ubuntu0.8
=16.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID?

    USN-4755-1

  • What software is affected by USN-4755-1?

    libtiff-tools and libtiff5 in Ubuntu versions 20.10, 20.04, 18.04, and 16.04

  • What is the impact of the USN-4755-1 vulnerability?

    The vulnerability could allow a remote attacker to crash the application or execute arbitrary code with user privileges.

  • How can I fix the USN-4755-1 vulnerability?

    Update to libtiff-tools version 4.1.0+git191117-2ubuntu0.20.10.1 for Ubuntu 20.10, libtiff-tools version 4.1.0+git191117-2ubuntu0.20.04.1 for Ubuntu 20.04, libtiff-tools version 4.0.9-5ubuntu0.4 for Ubuntu 18.04, and libtiff-tools version 4.0.6-1ubuntu0.8 for Ubuntu 16.04.

  • Where can I find more information about the USN-4755-1 vulnerability?

    You can find more information about the USN-4755-1 vulnerability on the Ubuntu Security Notices website: [link].

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