USN-5029-1

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    USN-5029-1

    Published: 2 Aug 2021Last Modified: 22 Apr 2026

    Summary: gnutls28 vulnerabilities

    Details: It was discovered that GnuTLS incorrectly handled sending certain extensions when being used as a client. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code.

    References: https://ubuntu.com/security/notices/USN-5029-1, https://ubuntu.com/security/CVE-2021-20231, https://ubuntu.com/security/CVE-2021-20232

    Affected packages

    Package

    Name: gnutls28

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.6.13-2ubuntu1.6

    Affected versions

    3.6.9-5ubuntu1
    3.6.9-5ubuntu2
    3.6.10-5
    3.6.11.1-2
    3.6.11.1-2ubuntu2
    3.6.13-2ubuntu1
    3.6.13-2ubuntu1.1
    3.6.13-2ubuntu1.2
    3.6.13-2ubuntu1.3

    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-5029-1 | CVE-DB