USN-8731-1

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    USN-8731-1

    Published: 7 Sept 2026Last Modified: 8 Sept 2026

    Summary: miniupnpd vulnerability

    Details: It was discovered that MiniUPnPd contained an integer underflow vulnerability in SOAPAction header parsing. A remote attacker could use this issue to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote.

    References: https://ubuntu.com/security/notices/USN-8731-1, https://ubuntu.com/security/CVE-2026-5720

    Affected packages

    Package

    Name: miniupnpd

    Purl: pkg:deb/ubuntu/miniupnpd?arch=source&distro=esm-apps-legacy%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.8.20140523-4.1+deb9u2ubuntu0.1~esm1

    Affected versions

    1.8.20140523-4
    1.8.20140523-4.1+deb9u1build0.16.04.1
    1.8.20140523-4.1+deb9u2build0.16.04.1

    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
    USN-8731-1 | CVE-DB