CVE-2025-2487
MediumCVSS 4.9Exploitation Probability (EPSS)
Low risk42th percentile - higher than 42% of all known CVEs
Summary
A flaw in the 389-ds-base LDAP Server occurs when the return value of a function is not checked during a Modify DN operation, leading to a NULL pointer dereference. A privileged user performing a MODDN operation after a failed operation can cause a Denial of Service (DoS) or system crash.
Risk Assessment
The risk is that a privileged user can intentionally crash the LDAP server, disrupting directory services and potentially affecting the availability of systems relying on 389-ds-base.
Recommendation
Immediately update the 389-ds-base package to a patched version. Until the update is applied, restrict MODDN operations to trusted users only.
Original NVD description (English source)
A flaw was found in the 389-ds-base LDAP Server. This issue occurs when issuing a Modify DN LDAP operation through the ldap protocol, when the function return value is not tested and a NULL pointer is dereferenced. If a privileged user performs a ldap MODDN operation after a failed operation, it could lead to a Denial of Service (DoS) or system crash.

