UBUNTU-CVE-2023-45539

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    UBUNTU-CVE-2023-45539

    Published: 4 Dec 2023Last Modified: 4 Feb 2026
    Upstream:
    CVE-2023-45539

    Summary:

    Details: HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server.

    References: https://ubuntu.com/security/CVE-2023-45539, https://lists.w3.org/Archives/Public/ietf-http-wg/2023JulSep/0070.html, https://www.mail-archive.com/haproxy%40formilux.org/msg43861.html, https://ubuntu.com/security/notices/USN-6530-1, https://www.cve.org/CVERecord?id=CVE-2023-45539, https://ubuntu.com/security/notices/USN-6530-2

    Affected packages

    Package

    Name: haproxy

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.6.3-1ubuntu0.3+esm1

    Affected versions

    1.5.14-1
    1.5.15-1

    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-2023-45539 | CVE-DB