CVE-2020-25710
openldap: assertion failure in CSN normalization with invalid input
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 2, 2020
Updated · August 4, 2026
Description
A flaw was found in OpenLDAP. 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.
Statement
This flaw does not affect Red Hat Enterprise Linux 8 because the slapd server is not shipped in the Red Hat Enterprise Linux 8 repositories.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 · 6.5CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-617 · Reachable Assertion