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Ubuntu 20.04 LTS USN-4685-1 Major: OpenJPEG Vulnerability Exploitation Risk

ubuntu
Calendar Grey January 7, 2021
Dist Ubuntu Esm H88
Ubuntu Security Announcement USN-4685-2 addresses OpenJPEG security issues, impacting multiple versions with detailed instructions for updates provided.
Several security issues were fixed in OpenJPEG.

Summary

Several security issues were fixed in OpenJPEG.

Software Description:

- openjpeg2: JPEG 2000 image compression/decompression library

Details:

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.

Topics%20covered

Topics Covered

security advisory denial of service critical update instructions ubuntu openjpeg openjpeg2

Update Instructions

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

Ubuntu 20.10:
  libopenjp2-7                    2.3.1-1ubuntu4.20.10.1
  libopenjp3d7                    2.3.1-1ubuntu4.20.10.1
  libopenjpip7                    2.3.1-1ubuntu4.20.10.1

Ubuntu 20.04 LTS:
  libopenjp2-7                    2.3.1-1ubuntu4.20.04.1
  libopenjp3d7                    2.3.1-1ubuntu4.20.04.1
  libopenjpip7                    2.3.1-1ubuntu4.20.04.1

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

References

https://ubuntu.com/security/notices/USN-4685-1

CVE-2020-15389, CVE-2020-27814, CVE-2020-27823, CVE-2020-27824,

CVE-2020-27841, CVE-2020-27842, CVE-2020-27843, CVE-2020-27845

Severity
critical
Lowest
Low
Medium
High
Critical

January 07, 2021

Topics%20covered

Topics Covered

security advisory denial of service critical update instructions ubuntu openjpeg openjpeg2

Package Information

https://launchpad.net/ubuntu/+source/openjpeg2/2.3.1-1ubuntu4.20.10.1
https://launchpad.net/ubuntu/+source/openjpeg2/2.3.1-1ubuntu4.20.04.1

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