USN-5553-1: libjpeg-turbo vulnerabilities

8 August 2022

Several security issues were fixed in libjpeg-turbo.

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Details

It was discovered that libjpeg-turbo was not properly handling EOF characters,
which could lead to excessive memory consumption through the execution of a
large loop. An attacker could possibly use this issue to cause a denial of
service. (CVE-2018-11813)

It was discovered that libjpeg-turbo was not properly performing bounds
check operations, which could lead to a heap-based buffer overread. If a user
or automated system were tricked into opening a specially crafted file, an
attacker could possibly use this issue to cause a denial of service. This
issue only affected Ubuntu 14.04 ESM. (CVE-2018-14498)

It was discovered that libjpeg-turbo was not properly limiting the amount of
main memory being consumed by the system during decompression or multi-pass
compression operations, which could lead to excessive memory consumption. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2020-14152)

It was discovered that libjpeg-turbo was not properly setting variable sizes
when performing certain kinds of encoding operations, which could lead to a
stack-based buffer overflow. If a user or automated system were tricked into
opening a specially crafted file, an attacker could possibly use this issue to
cause a denial of service. (CVE-2020-17541)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 16.04
Ubuntu 14.04

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