UBUNTU-CVE-2022-2929

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    UBUNTU-CVE-2022-2929

    Published: 5 Oct 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-2929

    Summary:

    Details: In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.

    References: https://ubuntu.com/security/CVE-2022-2929, https://lists.isc.org/pipermail/dhcp-announce/2022-October/000437.html, https://kb.isc.org/docs/cve-2022-2929, https://ubuntu.com/security/notices/USN-5658-1, https://ubuntu.com/security/notices/USN-5658-2, https://ubuntu.com/security/notices/USN-5658-3, https://www.cve.org/CVERecord?id=CVE-2022-2929

    Affected packages

    Package

    Name: isc-dhcp

    Purl: pkg:deb/ubuntu/[email protected]+esm2?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.2.4-7ubuntu12.13+esm2

    Affected versions

    4.2.4-7ubuntu8
    4.2.4-7ubuntu9
    4.2.4-7ubuntu10
    4.2.4-7ubuntu11
    4.2.4-7ubuntu12
    4.2.4-7ubuntu12.1
    4.2.4-7ubuntu12.2
    4.2.4-7ubuntu12.3
    4.2.4-7ubuntu12.4
    4.2.4-7ubuntu12.5
    4.2.4-7ubuntu12.6
    4.2.4-7ubuntu12.7
    4.2.4-7ubuntu12.8
    4.2.4-7ubuntu12.9
    4.2.4-7ubuntu12.10
    4.2.4-7ubuntu12.12
    4.2.4-7ubuntu12.13
    4.2.4-7ubuntu12.13+esm1

    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-2022-2929 | CVE-DB