RLSA-2021:4384

    Dashboard / Vulnerabilities / RLSA-2021:4384

    RLSA-2021:4384

    Published: 9 Nov 2021Last Modified: 4 Feb 2026
    Upstream:
    CVE-2021-25214

    Summary: Moderate: bind security and bug fix update

    Details: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly. Security Fix(es): * bind: Broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly (CVE-2021-25214) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.

    References: https://errata.rockylinux.org/RLSA-2021:4384, https://bugzilla.redhat.com/show_bug.cgi?id=1953056, https://bugzilla.redhat.com/show_bug.cgi?id=1953849, https://bugzilla.redhat.com/show_bug.cgi?id=1980916

    Affected packages

    Package

    Name: bind

    Purl: pkg:rpm/rocky-linux/bind?distro=rocky-linux-8-5-legacy&epoch=2

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:9.11.26-6.el8

    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
    RLSA-2021:4384 | CVE-DB