{"id":"AZL-99974","summary":"CVE-2026-18453 affecting package 389-ds-base 3.1.1-12","details":"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.","modified":"2026-09-14T17:30:17Z","published":"2026-09-07T15:17:31Z","upstream":["CVE-2026-18453"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18453"}],"affected":[{"package":{"name":"389-ds-base","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/389-ds-base"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.1.1-12"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-99974.json"}}],"schema_version":"1.9.0"}