CLSA-2021-1639681836

    Dashboard / Vulnerabilities / CLSA-2021-1639681836

    CLSA-2021-1639681836

    Published: 16 Dec 2021Last Modified: 4 Jun 2026
    Upstream:
    CVE-2021-25219

    Summary: Fix CVE(s): CVE-2021-25219

    Details: * SECURITY UPDATE: resolver performance degradation via lame cache abuse - debian/patches/CVE-2021-25219.patch: disable lame cache in bin/named/config.c, bin/named/server.c, lib/dns/resolver.c. - CVE-2021-25219

    References: https://errata.cloudlinux.com/ubuntu16_04/CLSA-2021-1639681836

    Affected packages

    Package

    Name: bind9

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:9.10.3.dfsg.P4-8ubuntu1.19.1

    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-2021-1639681836 | CVE-DB