CVE-2025-27497
High
Description
OpenDJ is an LDAPv3 compliant directory service. OpenDJ prior to 4.9.3 contains a denial-of-service (DoS) vulnerability that causes the server to become unresponsive to all LDAP requests without crashing or restarting. This issue occurs when an alias loop exists in the LDAP database. If an ldapsearch request is executed with alias dereferencing set to "always" on this alias entry, the server stops responding to all future requests. Fortunately, the server can be restarted without data corruption. This vulnerability is fixed in 4.9.3.
SeverityHigh
CVSS8.7
Exploit probability—
ProductOrg.openidentityplatform.opendj:opendj-server-legacy
PublishedMar 5, 2025
First seenMar 5, 2025
Weakness typeCWE-835CWE-835
How to fix
Update
- org.openidentityplatform.opendj:opendj-server-legacy4.9.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| org.openidentityplatform.opendj:opendj-server-legacyMaven | v < 4.9.3 | 4.9.3 |
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