USN-5215-1

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    USN-5215-1

    Published: 10 Jan 2022Last Modified: 25 Jun 2026

    Summary: nltk vulnerability

    Details: Srikantha Prathi discovered that NLTK incorrectly handled specially crafted input. An attacker could use this vulnerability to cause a denial of service.

    References: https://ubuntu.com/security/notices/USN-5215-1, https://ubuntu.com/security/CVE-2021-3828

    Affected packages

    Package

    Name: nltk

    Purl: pkg:deb/ubuntu/nltk?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.1-1ubuntu0.1+esm1

    Affected versions

    3.0.4-1
    3.0.5-1

    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-5215-1 | CVE-DB