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Ubuntu Security Notice USN-5742-1 ≈ Packet Storm

Table of Contents

Ubuntu Security Notice USN-5742-1
November 24, 2022

jbigkit vulnerability

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

– Ubuntu 22.10
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 ESM
– Ubuntu 14.04 ESM


JBIG-KIT could be made to crash if it opened a specially crafted file.

Software Description:
– jbigkit: JBIG1 data compression library


It was discovered that JBIG-KIT incorrectly handled decoding certain large
image files. If a user or automated system using JBIG-KIT were tricked into
opening a specially crafted file, an attacker could possibly use this issue
to cause a denial of service.

Update instructions:

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

Ubuntu 22.10:
jbigkit-bin 2.1-3.1ubuntu0.22.10.1
libjbig0 2.1-3.1ubuntu0.22.10.1

Ubuntu 22.04 LTS:
jbigkit-bin 2.1-3.1ubuntu0.22.04.1
libjbig0 2.1-3.1ubuntu0.22.04.1

Ubuntu 20.04 LTS:
jbigkit-bin 2.1-3.1ubuntu0.20.04.1
libjbig0 2.1-3.1ubuntu0.20.04.1

Ubuntu 18.04 LTS:
jbigkit-bin 2.1-3.1ubuntu0.18.04.1
libjbig0 2.1-3.1ubuntu0.18.04.1

Ubuntu 16.04 ESM:
jbigkit-bin 2.1-3.1ubuntu0.1~esm1
libjbig0 2.1-3.1ubuntu0.1~esm1

Ubuntu 14.04 ESM:
jbigkit-bin 2.0-2ubuntu4.1+esm1
libjbig0 2.0-2ubuntu4.1+esm1

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


Package Information:

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