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Ubuntu Security Notice USN-4676-1

Ubuntu Security Notice USN-4676-1
Posted Jan 5, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4676-1 - It was discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-16587
MD5 | 590de48f77cba77bf4361c2d44509710

Ubuntu Security Notice USN-4676-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4676-1
January 05, 2021

openexr vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in OpenEXR.

Software Description:
- openexr: tools for the OpenEXR image format

Details:

It was discovered that OpenEXR incorrectly handled certain malformed EXR
image files. If a user were tricked into opening a crafted EXR image file,
a remote attacker could cause a denial of service, or possibly execute
arbitrary code.

Update instructions:

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

Ubuntu 20.04 LTS:
libopenexr24 2.3.0-6ubuntu0.3
openexr 2.3.0-6ubuntu0.3

Ubuntu 18.04 LTS:
libopenexr22 2.2.0-11.1ubuntu1.4
openexr 2.2.0-11.1ubuntu1.4

Ubuntu 16.04 LTS:
libopenexr22 2.2.0-10ubuntu2.4
openexr 2.2.0-10ubuntu2.4

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

References:
https://usn.ubuntu.com/4676-1
CVE-2020-16587, CVE-2020-16588, CVE-2020-16589

Package Information:
https://launchpad.net/ubuntu/+source/openexr/2.3.0-6ubuntu0.3
https://launchpad.net/ubuntu/+source/openexr/2.2.0-11.1ubuntu1.4
https://launchpad.net/ubuntu/+source/openexr/2.2.0-10ubuntu2.4

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