HIGH 7.5 NVD

CVE-2026-18453

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 attack

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.

References

https://access.redhat.com/security/cve/CVE-2026-18453
https://bugzilla.redhat.com/show_bug.cgi?id=2509696

Published: 2026-09-07 · Source: NVD · Feed updated: 2026-09-07

This high severity vulnerability with a CVSS score of 7.5 was published on 2026-09-07 via NVD.

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