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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2481-1 openldap security update
Debian DSA Debian DSA DSA-4792-1 openldap security update
EUVD EUVD EUVD-2020-18365 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.
Ubuntu USN Ubuntu USN USN-4634-1 OpenLDAP vulnerabilities
Ubuntu USN Ubuntu USN USN-4634-2 OpenLDAP vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.0201}

epss

{'score': 0.02005}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-04T15:40:36.750Z

Reserved: 2020-09-16T00:00:00

Link: CVE-2020-25710

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-05-28T11:15:07.593

Modified: 2024-11-21T05:18:32.650

Link: CVE-2020-25710

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-11-02T00:00:00Z

Links: CVE-2020-25710 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses