{"id":"CVE-2026-16560","state":"PUBLISHED","title":"389-ds-base: 389-ds-base: heap-buffer-overflow in rdn_av_swap on quoted multivalued rdn","description":"A heap-buffer-overflow flaw was found in Directory Server (389-ds-base). 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For this\nreason Red Hat rates availability impact as Low (A:L) rather than High.\nThere is no configuration switch to disable DN normalization for client-supplied DNs.\nThe vulnerable code path is present in all currently supported 389-ds-base versions\nthat ship the quoted-RDN parsing logic in dn.c."}],"timeline":[{"lang":"en","time":"2026-07-22T11:59:36.087Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-07-22T12:00:00.000Z","value":"Made public."}],"credits":[{"lang":"en","value":"Red Hat would like to thank Denis Rastyogin (ALT Linux) for reporting this issue."}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-22T18:01:40.896935Z","id":"CVE-2026-16560","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-22T18:01:52.422Z"}}]}}}