UBUNTU-CVE-2021-44543

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    UBUNTU-CVE-2021-44543

    Published: 23 Dec 2021Last Modified: 4 Feb 2026
    Upstream:
    CVE-2021-44543
    Aliases:
    USN-5826-1

    Summary:

    Details: An XSS vulnerability was found in Privoxy which was fixed in cgi_error_no_template() by encode the template name when Privoxy is configured to servce the user-manual itself.

    References: https://ubuntu.com/security/CVE-2021-44543, https://www.openwall.com/lists/oss-security/2021/12/09/1, https://www.privoxy.org/gitweb/?p=privoxy.git;a=commit;h=0e668e9409c, https://ubuntu.com/security/notices/USN-5826-1, https://www.cve.org/CVERecord?id=CVE-2021-44543

    Affected packages

    Package

    Name: privoxy

    Purl: pkg:deb/ubuntu/[email protected]+deb8u1ubuntu0.1~esm1?arch=source&distro=esm-infra-legacy/trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.0.21-1
    3.0.21-2
    3.0.21-7+deb8u1build0.14.04.1
    3.0.21-7+deb8u1ubuntu0.1~esm1

    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-2021-44543 | CVE-DB