CVE-2026-18453
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Sep 07, 2026
Vendor
unknown
Description
A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.