UBUNTU-CVE-2021-20214

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    UBUNTU-CVE-2021-20214

    Published: 5 Feb 2021Last Modified: 4 Feb 2026
    Upstream:
    CVE-2021-20214
    Aliases:
    USN-4886-1

    Summary:

    Details: A flaw was found in Privoxy in versions before 3.0.29. Memory leaks in the client-tags CGI handler when client tags are configured and memory allocations fail can lead to a system crash.

    References: https://ubuntu.com/security/CVE-2021-20214, https://www.openwall.com/lists/oss-security/2021/02/03/3, https://www.privoxy.org/gitweb/?p=privoxy.git;a=commit;h=cf5640eb2a, https://ubuntu.com/security/notices/USN-4886-1, https://www.cve.org/CVERecord?id=CVE-2021-20214

    Affected packages

    Package

    Name: privoxy

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.0.28-2ubuntu0.1

    Affected versions

    3.0.28-2

    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-2021-20214 | CVE-DB