CVE-2018-20103

    Dashboard / Vulnerabilities / CVE-2018-20103

    CVE-2018-20103

    Published: 12 Dec 2018Last Modified: 15 Mar 2026

    Summary:

    Details: An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.

    References: http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=58df5aea0a0c926b2238f65908f5e9f83d1cca25, https://lists.debian.org/debian-lts-announce/2022/05/msg00045.html, https://usn.ubuntu.com/3858-1/, http://www.securityfocus.com/bid/106280, https://access.redhat.com/errata/RHBA-2019:0326, https://access.redhat.com/errata/RHBA-2019:0327, https://access.redhat.com/errata/RHSA-2019:1436

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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-2018-20103 | CVE-DB