Ubuntu 4897-2: Pygments vulnerabilities
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 LTS (Available with Ubuntu Pro) Summary: Pygments could be made to hang if it opened a specially crafted file. Software Description: - 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 LTS (Available with Ubuntu Pro): python-pygments 1.6+dfsg-1ubuntu1.1+esm1 python3-pygments 1.6+dfsg-1ubuntu1.1+esm1 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-4897-2
https://ubuntu.com/security/notices/USN-4897-1
CVE-2021-20270, CVE-2021-27291
Package Information