UBUNTU-CVE-2022-0934

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    UBUNTU-CVE-2022-0934

    Published: 7 Apr 2022Last Modified: 4 Feb 2026
    Upstream:
    CVE-2022-0934
    Aliases:
    USN-5408-1

    Summary:

    Details: A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.

    References: https://ubuntu.com/security/CVE-2022-0934, https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html, https://ubuntu.com/security/notices/USN-5408-1, https://www.cve.org/CVERecord?id=CVE-2022-0934

    Affected packages

    Package

    Name: dnsmasq

    Purl: pkg:deb/ubuntu/[email protected]+esm1?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.68-1ubuntu0.2+esm1

    Affected versions

    2.66-4ubuntu1

    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-2022-0934 | CVE-DB