USN-5156-1

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    USN-5156-1

    Published: 24 Nov 2021Last Modified: 22 Apr 2026

    Summary: A security issue was fixed in ICU

    Details: It was discovered that ICU contains a double free issue. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code.

    References: https://ubuntu.com/security/notices/USN-5156-1, https://ubuntu.com/security/CVE-2021-30535

    Affected packages

    Package

    Name: icu

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -66.1-2ubuntu2.1

    Affected versions

    63.2-2

    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-5156-1 | CVE-DB