CLSA-2022-1649170483

    Dashboard / Vulnerabilities / CLSA-2022-1649170483

    CLSA-2022-1649170483

    Published: 5 Apr 2022Last Modified: 4 Jun 2026
    Upstream:
    CVE-2021-25220

    Summary: Fix CVE(s): CVE-2021-25220

    Details: * SECURITY UPDATE: cache poisoning via bogus NS records - debian/patches/CVE-2021-25220.patch: tighten rules for acceptance of records into the cache in lib/dns/resolver.c. - CVE-2021-25220

    References: https://errata.cloudlinux.com/ubuntu16_04/CLSA-2022-1649170483

    Affected packages

    Package

    Name: bind9

    Purl: pkg:deb/tuxcare/bind9?distro=ubuntu-16.04

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:9.10.3.dfsg.P4-8ubuntu1.19+tuxcare.els2

    Affected versions

    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
    CLSA-2022-1649170483 | CVE-DB