{"schema":"threatline.record/2","record":{"id":"CVE-2026-107778","aliases":[],"summary":"MIT krb5 through 1.22.2 NULL Pointer Dereference via krb5_rd_cred()","details":"MIT Kerberos 5 (krb5) through 1.22.2 contains a NULL pointer dereference in make_cred_list() in rd_cred.c that allows authenticated Kerberos clients to crash services by sending mismatched KRB-CRED arrays. Attackers can send forwarded credentials with more tickets than ticket_info entries through gss_accept_sec_context() to crash GSS-API acceptor services, causing denial of service.","categories":["Unclassified"],"product":"krb5","vendor":"MIT","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-107778","source_modified_at":"2026-10-09T11:50:03.488Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"krb5","vendor":"MIT","versions":[{"version":"0","lessThanOrEqual":"1.22.2","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.1,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00424,"percentile":0.35632,"score_date":"2026-10-23"},"published_at":"2026-10-08T20:15:54.159Z","modified_at":"2026-10-09T11:50:03.488Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-107778","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-09T11:50:03.488Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-107778","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/krb5/krb5/pull/1511","tags":["issue-tracking","patch"]},{"source":"CVE List","url":"https://github.com/krb5/krb5/commit/48afa9abb89ab2176bb20624d87d010b9984fc08","tags":["patch"]},{"source":"CVE List","url":"https://github.com/krb5/krb5/commit/62196e2b269159a5465f5b8d0ed7cf6f29c3282a","tags":["patch"]},{"source":"CVE List","url":"https://github.com/krb5/krb5/blob/krb5-1.22.2-final/src/lib/krb5/krb/rd_cred.c#L77-L112","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/krb5/krb5","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/mit-krb5-through-1.22.2-null-pointer-dereference-via-krb5-rd-cred","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-09T11:49:50.551974Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-09T11:50:03.488Z","content_hash":"4c14f82cb52c4bbd286921fc30daa21210192fdf18b06a364b32b09dcee32885"}}