CLSA-2021-1634922250

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    CLSA-2021-1634922250

    Published: 22 Oct 2021Last Modified: 1 Jun 2026

    Summary: Fixed CVEs in bind: CVE-2021-25214, CVE-2021-25216, CVE-2021-25215

    Details: - A broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly (CVE-2021-25214) - An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself (CVE-2021-25215) - A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack (CVE-2021-25216)

    References: https://errata.cloudlinux.com/ol6/CLSA-2021-1634922250.html

    Affected packages

    Package

    Name: bind

    Purl: pkg:rpm/tuxcare/bind?distro=oraclelinux-6

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els

    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-2021-1634922250 | CVE-DB