{"schemaVersion":3,"id":"SUSE-SU-2026:23597-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for c-ares\n\nThis update for c-ares fixes the following issues:\n\nUpdat to c-ares 1.36.8.\n\n- CVE-2026-33630: remotely triggerable use-after-free/double-free in query-completion handling via `ares_getaddrinfo()`\n  over TCP (bsc#1270416).\n- CVE-2026-69184: CPU exhaustion denial of service via unbounded DNS name compression pointer chains (bsc#1276290).\n- CVE-2026-69186: memory amplification denial of service via unvalidated DNS header record counts (bsc#1276291).\n\nChanges for c-ares:\n\n- For details, see https://c-ares.org/changelog.html.","dates":{"published":"2026-09-01T15:51:00.000Z","modified":"2026-09-29T18:23:19.002Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"suse","product":"c-ares&distro=SUSE Linux Enterprise Server 16.0","name":"c-ares","label":"c-ares&distro=SUSE Linux Enterprise Server 16.0","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/c-ares&distro=SUSE Linux Enterprise Server 16.0","purlType":"rpm","versions":[{"text":"< 1.34.8-160000.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.34.8-160000.1.1","eol":null,"hubHref":null},{"vendor":"suse","product":"c-ares&distro=SUSE Linux Enterprise Server for SAP applications 16.0","name":"c-ares","label":"c-ares&distro=SUSE Linux Enterprise Server for SAP applications 16.0","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/c-ares&distro=SUSE Linux Enterprise Server for SAP applications 16.0","purlType":"rpm","versions":[{"text":"< 1.34.8-160000.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.34.8-160000.1.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202623597-1/","label":"www.suse.com/support/update/announcement/2026/suse-su-202623597-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1270416","label":"bugzilla.suse.com/1270416","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1276290","label":"bugzilla.suse.com/1276290","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1276291","label":"bugzilla.suse.com/1276291","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2026-33630","label":"www.suse.com/security/cve/CVE-2026-33630","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-69184","label":"www.suse.com/security/cve/CVE-2026-69184","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-69186","label":"www.suse.com/security/cve/CVE-2026-69186","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2026-33630","CVE-2026-69184","CVE-2026-69186"],"downstream":[],"duplicates":[],"related":["CVE-2026-33630","CVE-2026-69184","CVE-2026-69186"]},"timeline":[{"kind":"published","date":"2026-09-01T15:51:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-29T18:23:19.002Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T08:53:31.273Z","stale":false,"partial":false}}