{"schema":"threatline.record/2","record":{"id":"CVE-2026-97313","aliases":[],"summary":"Specific RPZ configurations and query patterns may result in an unexpected exit","details":"A recursive BIND server that receives a query with recursion desired (RD=1) followed by a non-recursive query (RD=0) may exit with an assertion failure, resulting in a denial of service. To be vulnerable, the BIND server must allow recursive queries and have at least two RPZ zones configured: one with the default setting of \"recursive-only yes\", and the other with \"recursive-only no\".\nThis issue affects BIND 9 versions 9.16.0 through 9.18.50, 9.20.0 through 9.20.29, 9.21.0 through 9.21.26, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.29-S1.","categories":["Unclassified"],"product":"BIND 9","vendor":"ISC","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97313","source_modified_at":"2026-10-21T17:19:13.974Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"BIND 9","vendor":"ISC","versions":[{"version":"9.16.0","lessThanOrEqual":"9.18.50","status":"affected","versionType":"custom"},{"version":"9.20.0","lessThanOrEqual":"9.20.29","status":"affected","versionType":"custom"},{"version":"9.21.0","lessThanOrEqual":"9.21.26","status":"affected","versionType":"custom"},{"version":"9.11.3-S1","lessThanOrEqual":"9.18.50-S1","status":"affected","versionType":"custom"},{"version":"9.20.9-S1","lessThanOrEqual":"9.20.29-S1","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00448,"percentile":0.37961,"score_date":"2026-10-23"},"published_at":"2026-10-21T12:47:28.499Z","modified_at":"2026-10-21T17:19:13.974Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-97313","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-21T17:19:13.974Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-97313","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://kb.isc.org/docs/cve-2026-97313","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://downloads.isc.org/isc/bind9/9.20.30","tags":["patch"]},{"source":"CVE List","url":"https://downloads.isc.org/isc/bind9/9.21.27","tags":["patch"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-21T15:18:26.657640Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-21T17:19:13.974Z","content_hash":"81f485b77e090e6534c27b42766132e3ac4218c5e129ac17272fd389f5c3f4d5"}}