UBUNTU-CVE-2021-36160

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    UBUNTU-CVE-2021-36160

    Published: 16 Sept 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-36160
    Aliases:
    USN-5090-1

    Summary:

    Details: A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive).

    References: https://ubuntu.com/security/CVE-2021-36160, https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2021-36160, http://httpd.apache.org/security/vulnerabilities_24.html, https://lists.apache.org/thread.html/ree7519d71415ecdd170ff1889cab552d71758d2ba2904a17ded21a70@%3Ccvs.httpd.apache.org%3E, https://lists.apache.org/thread.html/re4162adc051c1a0a79e7a24093f3776373e8733abaff57253fef341d@%3Ccvs.httpd.apache.org%3E, https://ubuntu.com/security/notices/USN-5090-1, https://www.cve.org/CVERecord?id=CVE-2021-36160

    Affected packages

    Package

    Name: apache2

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4.41-4ubuntu3.5

    Affected versions

    2.4.41-1ubuntu1
    2.4.41-4ubuntu1
    2.4.41-4ubuntu2
    2.4.41-4ubuntu3
    2.4.41-4ubuntu3.1
    2.4.41-4ubuntu3.3
    2.4.41-4ubuntu3.4

    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-2021-36160 | CVE-DB