UBUNTU-CVE-2021-27212

    Dashboard / Vulnerabilities / UBUNTU-CVE-2021-27212

    UBUNTU-CVE-2021-27212

    Published: 14 Feb 2021Last Modified: 22 Apr 2026

    Summary:

    Details: In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.

    Affected packages

    Package

    Name: openldap

    Purl: pkg:deb/ubuntu/[email protected]+nmu2ubuntu8.5+esm8?arch=source&distro=esm-infra-legacy/trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4.31-1+nmu2ubuntu8.5+esm8

    Affected versions

    2.4.31-1+nmu2ubuntu3
    2.4.31-1+nmu2ubuntu4
    2.4.31-1+nmu2ubuntu5
    2.4.31-1+nmu2ubuntu8
    2.4.31-1+nmu2ubuntu8.1
    2.4.31-1+nmu2ubuntu8.2
    2.4.31-1+nmu2ubuntu8.3
    2.4.31-1+nmu2ubuntu8.4
    2.4.31-1+nmu2ubuntu8.5
    2.4.31-1+nmu2ubuntu8.5+esm1
    2.4.31-1+nmu2ubuntu8.5+esm2
    2.4.31-1+nmu2ubuntu8.5+esm3
    2.4.31-1+nmu2ubuntu8.5+esm4
    2.4.31-1+nmu2ubuntu8.5+esm5
    2.4.31-1+nmu2ubuntu8.5+esm6
    2.4.31-1+nmu2ubuntu8.5+esm7

    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
    UBUNTU-CVE-2021-27212 | CVE-DB