UBUNTU-CVE-2022-38178

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    UBUNTU-CVE-2022-38178

    Published: 21 Sept 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-38178
    Aliases:
    USN-5626-1

    Summary:

    Details: By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.

    References: https://ubuntu.com/security/CVE-2022-38178, https://ubuntu.com/security/notices/USN-5626-1, https://www.cve.org/CVERecord?id=CVE-2022-38178

    Affected packages

    Package

    Name: bind9

    Purl: pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.18?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:9.11.3+dfsg-1ubuntu1.18

    Affected versions

    1:9.10.3.dfsg.P4-12.6ubuntu1

    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
    UBUNTU-CVE-2022-38178 | CVE-DB