USN-5631-1: libjpeg-turbo vulnerabilities

Releases

• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

Packages

• libjpeg-turbo - library for handling JPEG files

Details

It was discovered that libjpeg-turbo incorrectly handled certain EOF
characters. An attacker could possibly use this issue to cause
libjpeg-turbo to consume resource, leading to a denial of service. This
issue only affected Ubuntu 18.04 LTS. (CVE-2018-11813)

It was discovered that libjpeg-turbo incorrectly handled certain malformed
jpeg files. An attacker could possibly use this issue to cause
libjpeg-turbo to crash, resulting in a denial of service. (CVE-2020-17541,
CVE-2020-35538)

It was discovered that libjpeg-turbo incorrectly handled certain malformed
PPM files. An attacker could use this issue to cause libjpeg-turbo to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-46822)

Update instructions

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

Ubuntu 20.04

• libturbojpeg - 2.0.3-0ubuntu1.20.04.3
• libjpeg-turbo8 - 2.0.3-0ubuntu1.20.04.3

Ubuntu 18.04

• libturbojpeg - 1.5.2-0ubuntu5.18.04.6
• libjpeg-turbo8 - 1.5.2-0ubuntu5.18.04.6

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

References

• CVE-2020-35538
• CVE-2021-46822
• CVE-2020-17541
• CVE-2018-11813

Related notices

• USN-5553-1: libjpeg-turbo-test, libjpeg-turbo8, libjpeg-turbo, libjpeg-turbo-progs, libjpeg-turbo8-dev, libturbojpeg
• USN-5336-1: libjpeg9, libjpeg-progs, libjpeg9-dev
• USN-5497-1: libjpeg6b, libjpeg62-dev, libjpeg62
• USN-5497-2: libjpeg6b, libjpeg62-dev, libjpeg62