USN-5080-2

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    USN-5080-2

    Published: 16 Sept 2021Last Modified: 25 Jun 2026

    Summary: libgcrypt20 vulnerabilities

    Details: USN-5080-1 fixed several vulnerabilities in Libgcrypt. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Libgcrypt incorrectly handled ElGamal encryption. An attacker could possibly use this issue to recover sensitive information.

    References: https://ubuntu.com/security/notices/USN-5080-2, https://ubuntu.com/security/CVE-2021-33560, https://ubuntu.com/security/CVE-2021-40528

    Affected packages

    Package

    Name: libgcrypt20

    Purl: pkg:deb/ubuntu/libgcrypt20?arch=source&distro=esm-infra%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.6.5-2ubuntu0.6+esm1

    Affected versions

    1.6.3-2ubuntu1
    1.6.4-3
    1.6.4-4
    1.6.4-5
    1.6.5-2
    1.6.5-2ubuntu0.2
    1.6.5-2ubuntu0.3
    1.6.5-2ubuntu0.4
    1.6.5-2ubuntu0.5
    1.6.5-2ubuntu0.6

    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-5080-2 | CVE-DB