CVE-2022-37428

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    CVE-2022-37428

    Published: 23 Aug 2022Last Modified: 12 Aug 2026

    Summary:

    Details: PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.

    References: https://docs.powerdns.com/recursor/lua-config/protobuf.html, https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/37xxx/CVE-2022-37428.json, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXSREJKTT6RNE3GXQENQ4R4HS37UNSPX/, https://nvd.nist.gov/vuln/detail/CVE-2022-37428

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 8acf42e9ad4c339b7636693ed2d22e305a2e2335
    Fixed -87735c1c89bc36570210ff470d3e47ae8a17697a

    Affected versions

    rec-4.7.1
    rec-4.7.0

    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
    CVE-2022-37428 | CVE-DB