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Ubuntu 20.10: 4901-2 Important: OpenEXR Buffer Overflow Vulnerability

ubuntu
Calendar Grey April 1, 2021
Dist Ubuntu Esm H88
Urgent Ubuntu update for OpenEXR addresses multiple vulnerabilities that could result in DoS attacks and possible remote exploitation. Immediate action necessary.
Several security issues were fixed in OpenEXR.

Summary

Topics%20covered

Topics Covered

security advisory denial of service critical issue ubuntu openexr

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: libopenexr25 2.5.3-2ubuntu0.2 openexr 2.5.3-2ubuntu0.2 Ubuntu 20.04 LTS: libopenexr24 2.3.0-6ubuntu0.5 openexr 2.3.0-6ubuntu0.5 Ubuntu 18.04 LTS: libopenexr22 2.2.0-11.1ubuntu1.6 openexr 2.2.0-11.1ubuntu1.6 Ubuntu 16.04 LTS: libopenexr22 2.2.0-10ubuntu2.6 openexr 2.2.0-10ubuntu2.6 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4900-1

CVE-2021-3474, CVE-2021-3475, CVE-2021-3476, CVE-2021-3477,

CVE-2021-3478, CVE-2021-3479

Severity
important
Lowest
Low
Medium
High
Critical

April 01, 2021

Topics%20covered

Topics Covered

security advisory denial of service critical issue ubuntu openexr

Package Information

https://launchpad.net/ubuntu/+source/openexr/2.5.3-2ubuntu0.2 https://launchpad.net/ubuntu/+source/openexr/2.3.0-6ubuntu0.5 https://launchpad.net/ubuntu/+source/openexr/2.2.0-11.1ubuntu1.6 https://launchpad.net/ubuntu/+source/openexr/2.2.0-10ubuntu2.6

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