Ubuntu Security Notice USN-4897-2 ≈ Packet Storm

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Ubuntu Security Notice USN-4897-2^[6]: Authored by Ubuntu ^[7] | Site security.ubuntu.com ^[8]; Ubuntu Security Notice 4897-2 - USN-4897-1 fixed several vulnerabilities in Pygments. This update provides the corresponding update for Ubuntu 14.04 LTS. 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.; systems | linux ^[9], ubuntu ^[10]; advisories | CVE-2021-20270 ^[11], CVE-2021-27291 ^[12]; SHA-256 | 0229f770d8874a0513c2166bf3e303d5654a0a18244de156ea9264cde333f0cd; Download ^[13] | Favorite ^[14] | View ^[15]

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Ubuntu Security Notice USN-4897-2
August 14, 2023
pygments vulnerabilities
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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