USN-4885-1

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    USN-4885-1

    Published: 22 Mar 2021Last Modified: 10 Feb 2026

    Summary: pygments vulnerability

    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.

    References: https://ubuntu.com/security/notices/USN-4885-1, https://ubuntu.com/security/CVE-2021-20270

    Affected packages

    Package

    Name: pygments

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-1ubuntu0.1?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1+dfsg-1ubuntu0.1

    Affected versions

    2.0.1+dfsg-1.1svn1
    2.0.1+dfsg-1.1ubuntu1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    USN-4885-1 | CVE-DB