{"schemaVersion":3,"id":"SUSE-SU-2026:4021-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for c-ares\n\nThis update for c-ares fixes the following issues:\n\n- CVE-2024-25629: out of bounds read in ares__read_line() (bsc#1220279).\n- CVE-2025-31498: use-after-free in read_answers() when process_answer() may re-enqueue a query (bsc#1240955).\n- CVE-2025-62408: c-ares 1.32.3-1.34.5 use after free() (bsc#1254738).\n- CVE-2026-33630: Use-after-free / double-free in c-ares query-completion handling, remotely triggerable via\n  ares_getaddrinfo() 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- updated to 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1.34.8-150000.3.29.1","eol":null,"hubHref":null}],"affectedCount":14,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264021-1/","label":"www.suse.com/support/update/announcement/2026/suse-su-20264021-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1220279","label":"bugzilla.suse.com/1220279","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1240955","label":"bugzilla.suse.com/1240955","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1254738","label":"bugzilla.suse.com/1254738","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"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-2024-25629","label":"www.suse.com/security/cve/CVE-2024-25629","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-31498","label":"www.suse.com/security/cve/CVE-2025-31498","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-62408","label":"www.suse.com/security/cve/CVE-2025-62408","hostname":"www.suse.com","tags":["WEB"]},{"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-2024-25629","CVE-2025-31498","CVE-2025-62408","CVE-2026-33630","CVE-2026-69184","CVE-2026-69186"],"downstream":[],"duplicates":[],"related":["CVE-2024-25629","CVE-2025-31498","CVE-2025-62408","CVE-2026-33630","CVE-2026-69184","CVE-2026-69186"]},"timeline":[{"kind":"published","date":"2026-09-07T07:42:20.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-13T18:23:16.109Z","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":"2026-10-22T13:15:47.015Z","stale":false,"partial":false}}