ALSA-2021:1983

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    ALSA-2021:1983

    Published: 18 May 2021Last Modified: 4 Feb 2026
    Aliases:
    CVE-2021-3480

    Summary: Important: idm:DL1 security update

    Details: AlmaLinux Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and cloud-based enterprise environments. Security Fix(es): * slapi-nis: NULL dereference (DoS) with specially crafted Binding DN (CVE-2021-3480) 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.

    References: https://errata.almalinux.org/8/ALSA-2021-1983.html, https://vulners.com/cve/CVE-2021-3480

    Affected packages

    Package

    Name: bind-dyndb-ldap

    Purl: pkg:rpm/almalinux/bind-dyndb-ldap

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -11.6-2.module_el8.5.0+2603+92118e57

    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
    ALSA-2021:1983 | CVE-DB