USN-8624-1

    Dashboard / Vulnerabilities / USN-8624-1

    USN-8624-1

    Published: 29 Jul 2026Last Modified: 31 Jul 2026

    Summary: ruby-sinatra vulnerability

    Details: It was discovered that Sinatra did not properly handle header parsing, causing ETag generation to hang when given specific input. A remote attacker could possibly use this issue to cause a denial of service.

    References: https://ubuntu.com/security/notices/USN-8624-1, https://ubuntu.com/security/CVE-2025-61921

    Affected packages

    Package

    Name: ruby-sinatra

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.4.7-3ubuntu0.1~esm3

    Affected versions

    1.4.6-2
    1.4.7-3
    1.4.7-3ubuntu0.1~esm2

    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-8624-1 | CVE-DB