OESA-2021-1244

    Dashboard / Vulnerabilities / OESA-2021-1244

    OESA-2021-1244

    Published: 26 Jun 2021Last Modified: 18 Aug 2026
    Upstream:
    CVE-2020-25710

    Summary: openldap security update

    Details: OpenLDAP is an open source suite of LDAP (Lightweight Directory Access Protocol) applications and development tools. LDAP is a set of protocols for accessing directory services (usually phone book style information, but other information is possible) over the Internet, similar to the way DNS (Domain Name System) information is propagated over the Internet. The openldap package contains configuration files, libraries, and documentation for OpenLDAP. Security Fix(es): A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23(). The highest threat from this vulnerability is to system availability.(CVE-2020-25710)

    References: https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1244, https://nvd.nist.gov/vuln/detail/CVE-2020-25710

    Affected packages

    Package

    Name: openldap

    Purl: pkg:rpm/openEuler/openldap&distro=openEuler-20.03-LTS-SP1

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4.50-6.oe1

    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
    OESA-2021-1244 | CVE-DB