Advisory Published

USN-4685-1: OpenJPEG vulnerabilities

First published: Thu Jan 07 2021(Updated: )

It was discovered that OpenJPEG incorrectly handled certain image data. An attacker could use this issue to cause OpenJPEG to crash, leading to a denial of service, or possibly execute arbitrary code.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libopenjp2-7<2.3.1-1ubuntu4.20.10.1
2.3.1-1ubuntu4.20.10.1
Ubuntu Ubuntu=20.10
All of
ubuntu/libopenjp3d7<2.3.1-1ubuntu4.20.10.1
2.3.1-1ubuntu4.20.10.1
Ubuntu Ubuntu=20.10
All of
ubuntu/libopenjpip7<2.3.1-1ubuntu4.20.10.1
2.3.1-1ubuntu4.20.10.1
Ubuntu Ubuntu=20.10
All of
ubuntu/libopenjp2-7<2.3.1-1ubuntu4.20.04.1
2.3.1-1ubuntu4.20.04.1
Ubuntu Ubuntu=20.04
All of
ubuntu/libopenjp3d7<2.3.1-1ubuntu4.20.04.1
2.3.1-1ubuntu4.20.04.1
Ubuntu Ubuntu=20.04
All of
ubuntu/libopenjpip7<2.3.1-1ubuntu4.20.04.1
2.3.1-1ubuntu4.20.04.1
Ubuntu Ubuntu=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for these OpenJPEG vulnerabilities?

    The vulnerability IDs for these OpenJPEG vulnerabilities are CVE-2020-27842, CVE-2020-27841, and CVE-2020-27824.

  • What is the severity of CVE-2020-27842?

    The severity of CVE-2020-27842 is not provided in the information provided.

  • How do I fix the OpenJPEG vulnerabilities?

    To fix the OpenJPEG vulnerabilities, you need to update the affected software packages to version 2.3.1-1ubuntu4.20.10.1 (for Ubuntu 20.10) or version 2.3.1-1ubuntu4.20.04.1 (for Ubuntu 20.04).

  • Where can I find more information about CVE-2020-27842?

    You can find more information about CVE-2020-27842 at the following URL: https://ubuntu.com/security/CVE-2020-27842

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