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Ubuntu Security Notice USN-4685-1

Ubuntu Security Notice USN-4685-1
Posted Jan 7, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4685-1 - 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.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-15389, CVE-2020-27841
MD5 | 441106d86f85ccadec1d3c14e6567734

Ubuntu Security Notice USN-4685-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4685-1
January 07, 2021

openjpeg2 vulnerabilities
==========================================================================

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

- Ubuntu 20.10
- Ubuntu 20.04 LTS

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.

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://usn.ubuntu.com/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

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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