UBUNTU-CVE-2021-37147

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    UBUNTU-CVE-2021-37147

    Published: 3 Nov 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-37147

    Summary:

    Details: Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.1.0.

    References: https://ubuntu.com/security/CVE-2021-37147, https://www.openwall.com/lists/oss-security/2021/11/02/11, https://github.com/apache/trafficserver/commit/64f25678bfbbd1433cce703e3c43bcc49a53de56, https://github.com/apache/trafficserver/commit/5cad961c87cb07fbb8fa6890685d9878a169378d, https://github.com/apache/trafficserver/pull/8460, https://www.cve.org/CVERecord?id=CVE-2021-37147

    Affected packages

    Package

    Name: trafficserver

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    5.3.0-2ubuntu1
    5.3.0-2ubuntu2

    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-2021-37147 | CVE-DB