USN-4897-2: Pygments vulnerabilities
14 August 2023
Pygments could be made to hang if it opened a specially crafted file.
Releases
Packages
- pygments - Generic syntax highlighter
Details
USN-4897-1 fixed several vulnerabilities in Pygments. This update provides
the corresponding update for Ubuntu 14.04 LTS.
Original advisory details:
Ben Caller discovered that Pygments incorrectly handled parsing certain
files. If a user or automated system were tricked into parsing a specially
crafted file, a remote attacker could cause Pygments to hang or consume
resources, resulting in a denial of service. (CVE-2021-27291)
It was discovered that Pygments incorrectly handled parsing certain
files. An attacker could possibly use this issue to cause a denial of
service. (CVE-2021-20270)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04
-
python-pygments
-
1.6+dfsg-1ubuntu1.1+esm1
Available with Ubuntu Pro
-
python3-pygments
-
1.6+dfsg-1ubuntu1.1+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-4885-1: pygments, python3-pygments, python-pygments, python-pygments-doc
- USN-4897-1: pygments, python3-pygments, python-pygments, python-pygments-doc