UBUNTU-CVE-2020-27813

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    UBUNTU-CVE-2020-27813

    Published: 2 Dec 2020Last Modified: 4 Feb 2026
    Upstream:
    CVE-2020-27813
    Aliases:
    USN-6208-1

    Summary:

    Details: An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker would use this flaw to cause a denial of service attack on an HTTP Server allowing websocket connections.

    References: https://ubuntu.com/security/CVE-2020-27813, https://github.com/gorilla/websocket/security/advisories/GHSA-jf24-p9p9-4rjh, https://ubuntu.com/security/notices/USN-6208-1, https://www.cve.org/CVERecord?id=CVE-2020-27813

    Affected packages

    Package

    Name: golang-websocket

    Purl: pkg:deb/ubuntu/[email protected]~git20150811.0.b6ab76f-1ubuntu0.1~esm1?arch=source&distro=esm-infra/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.0~git20150811.0.b6ab76f-1ubuntu0.1~esm1

    Affected versions

    0.0~git20140119-1

    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
    UBUNTU-CVE-2020-27813 | CVE-DB