UBUNTU-CVE-2019-0197

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    UBUNTU-CVE-2019-0197

    Published: 11 Jun 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-0197
    Aliases:
    USN-4113-1

    Summary:

    Details: A vulnerability was found in Apache HTTP Server 2.4.34 to 2.4.38. When HTTP/2 was enabled for a http: host or H2Upgrade was enabled for h2 on a https: host, an Upgrade request from http/1.1 to http/2 that was not the first request on a connection could lead to a misconfiguration and crash. Server that never enabled the h2 protocol or that only enabled it for https: and did not set "H2Upgrade on" are unaffected by this issue.

    References: https://ubuntu.com/security/CVE-2019-0197, https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2019-0197, https://ubuntu.com/security/notices/USN-4113-1, https://www.cve.org/CVERecord?id=CVE-2019-0197

    Affected packages

    Package

    Name: apache2

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4.29-1ubuntu4.10

    Affected versions

    2.4.27-2ubuntu3
    2.4.29-1ubuntu1
    2.4.29-1ubuntu2
    2.4.29-1ubuntu3
    2.4.29-1ubuntu4
    2.4.29-1ubuntu4.1
    2.4.29-1ubuntu4.2
    2.4.29-1ubuntu4.3
    2.4.29-1ubuntu4.4
    2.4.29-1ubuntu4.5
    2.4.29-1ubuntu4.6
    2.4.29-1ubuntu4.7
    2.4.29-1ubuntu4.8

    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