{"schemaVersion":3,"id":"MGASA-2026-0343","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated c-ares packages fix security vulnerabilities\n\nUse-after-free / double-free in c-ares query-completion handling,\nremotely triggerable via ares_getaddrinfo() over TCP. (CVE-2026-33630)\nCPU-exhaustion denial of service via unbounded DNS name compression\npointer chains. (CVE-2026-69184)\nMemory-amplification denial of service via unvalidated DNS header record\ncounts. (CVE-2026-69186)","dates":{"published":"2026-08-31T16:22:02.000Z","modified":"2026-08-31T16:30:04.403Z","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":"mageia","product":"c-ares","name":"c-ares","label":"c-ares","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/c-ares","purlType":"rpm","versions":[{"text":"< 1.34.8-1.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.34.8-1.mga10","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2026-0343.html","label":"advisories.mageia.org/MGASA-2026-0343.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=35847","label":"bugs.mageia.org/show_bug.cgi?id=35847","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://www.openwall.com/lists/oss-security/2026/07/06/8","label":"www.openwall.com/lists/oss-security/2026/07/06/8","hostname":"www.openwall.com","tags":["WEB"]},{"url":"https://github.com/c-ares/c-ares/security/advisories/GHSA-6wfj-rwm7-3542","label":"github.com/c-ares/c-ares/security/advisories/GHSA-6wfj-rwm7-3542","hostname":"github.com","tags":["Advisory"]},{"url":"https://github.com/c-ares/c-ares/security/advisories/GHSA-pjmc-gx33-gc76","label":"github.com/c-ares/c-ares/security/advisories/GHSA-pjmc-gx33-gc76","hostname":"github.com","tags":["Advisory"]},{"url":"https://github.com/c-ares/c-ares/security/advisories/GHSA-jv8r-gqr9-68wj","label":"github.com/c-ares/c-ares/security/advisories/GHSA-jv8r-gqr9-68wj","hostname":"github.com","tags":["Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RP4OX63ZTYCCB4UK6HI4BFEPQEPSNLOJ/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]}],"lineage":{"upstream":["CVE-2026-33630","CVE-2026-69184","CVE-2026-69186"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-08-31T16:22:02.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-31T16:30:04.403Z","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":"2026-10-22T19:47:25.363Z","stale":false,"partial":false}}