Detections
Analytics
CVE-2026-18453
high
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.
References
https://access.redhat.com/errata/RHSA-2026:65119
https://access.redhat.com/errata/RHSA-2026:64804
https://access.redhat.com/errata/RHSA-2026:64793
https://access.redhat.com/errata/RHSA-2026:64792
https://access.redhat.com/errata/RHSA-2026:64791
https://access.redhat.com/errata/RHSA-2026:64790
https://access.redhat.com/errata/RHSA-2026:64789
https://access.redhat.com/errata/RHSA-2026:64785
https://access.redhat.com/errata/RHSA-2026:64784
https://access.redhat.com/errata/RHSA-2026:64783
https://access.redhat.com/errata/RHSA-2026:64781
https://access.redhat.com/errata/RHSA-2026:64780
https://access.redhat.com/errata/RHSA-2026:64779
https://access.redhat.com/errata/RHSA-2026:64778