1. Ubuntu Security Notices
  2. USN-4885-1

USN-4885-1: Pygments vulnerability

Publication date

22 March 2021

Overview

pygments could be made to hang if it opened a specially crafted file.

Releases

Packages

Details

It was discovered that Pygments incorrectly handled parsing SML files. If a
user or automated system were tricked into parsing a specially crafted SML
file, a remote attacker could cause Pygments to hang, resulting in a denial
of service.

It was discovered that Pygments incorrectly handled parsing SML files. If a
user or automated system were tricked into parsing a specially crafted SML
file, a remote attacker could cause Pygments to hang, resulting in a denial
of service.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.10 groovy python3-pygments –  2.3.1+dfsg-4ubuntu0.1
20.04 focal python-pygments –  2.3.1+dfsg-1ubuntu2.1
python3-pygments –  2.3.1+dfsg-1ubuntu2.1
18.04 bionic python-pygments –  2.2.0+dfsg-1ubuntu0.1
python3-pygments –  2.2.0+dfsg-1ubuntu0.1
16.04 xenial python-pygments –  2.1+dfsg-1ubuntu0.1
python3-pygments –  2.1+dfsg-1ubuntu0.1

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References

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