USN-4897-2: Pygments vulnerabilities

Releases

• Ubuntu 14.04 ESM

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

• CVE-2021-20270
• CVE-2021-27291

Related notices

• USN-4885-1
• USN-4897-1