CVE-2021-4091

    Dashboard / Vulnerabilities / CVE-2021-4091

    CVE-2021-4091

    Published: 18 Feb 2022Last Modified: 16 Apr 2026

    Summary:

    Details: A double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches. An attacker could send a series of search requests, forcing the server to behave unexpectedly, and crash.

    References: https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html, https://lists.debian.org/debian-lts-announce/2025/01/msg00015.html, https://bugzilla.redhat.com/show_bug.cgi?id=2030307

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    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
    CVE-2021-4091 | CVE-DB