BIT-haproxy-2021-39242

    Dashboard / Vulnerabilities / BIT-haproxy-2021-39242

    BIT-haproxy-2021-39242

    Published: 6 Mar 2024Last Modified: 8 Sept 2026

    Summary:

    Details: An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled.

    References: https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=b5d2b9e154d78e4075db163826c5e0f6d31b2ab1, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/, https://www.debian.org/security/2021/dsa-4960, https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html, https://nvd.nist.gov/vuln/detail/CVE-2021-39242

    Affected packages

    Package

    Name: haproxy

    Purl: pkg:bitnami/haproxy

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 2.2.0
    Fixed -2.2.16

    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
    BIT-haproxy-2021-39242 | CVE-DB