Ubuntu Security Notice 5144-1 - It was discovered that OpenEXR incorrectly handled certain EXR image files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.
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Ubuntu Security Notice USN-5144-1
November 11, 2021
openexr vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
Summary:
OpenEXR could be made to crash or execute arbitrary code if it received a specially
crafted EXR file.
Software Description:
- openexr: tools for the OpenEXR image format
Details:
It was discovered that OpenEXR incorrectly handled certain EXR
image files. An attacker could possibly use this issue to cause a crash
or execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
libopenexr22 2.2.0-11.1ubuntu1.8
openexr 2.2.0-11.1ubuntu1.8
Ubuntu 16.04 ESM:
libopenexr22 2.2.0-10ubuntu2.6+esm2
openexr 2.2.0-10ubuntu2.6+esm2
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5144-1
CVE-2021-3933
Package Information:
https://launchpad.net/ubuntu/+source/openexr/2.2.0-11.1ubuntu1.8