DEBIAN-CVE-2023-0836

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    DEBIAN-CVE-2023-0836

    Published: 29 Mar 2023Last Modified: 15 Sept 2026
    Upstream:
    CVE-2023-0836

    Summary:

    Details: An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.

    References: https://security-tracker.debian.org/tracker/CVE-2023-0836

    Affected packages

    Package

    Name: haproxy

    Purl: pkg:deb/debian/haproxy?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.6.8-1

    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
    DEBIAN-CVE-2023-0836 | CVE-DB