{"schemaVersion":3,"id":"OPENSUSE-SU-2026:21533-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for dnsdist\n\nThis update for dnsdist fixes the following issues:\n\nUpdate to 1.9.15.\n\nChanges for dnsdist:\n\n- https://www.dnsdist.org/changelog.html#change-1.9.15\n- https://www.dnsdist.org/changelog.html#change-1.9.14\n\nSecurity issues fixed:\n\n- CVE-2026-40011: invalid output produced in the prometheus endpoint when a large number of crafted DNS queries are sent\n  (bsc#1269204).\n- CVE-2026-40208: processing of DoH3 queries can be delayed via DoH3 GET queries with an invalid DATA frames\n  (bsc#1269207).\n- CVE-2026-40209: outgoing TCP connections to backend can get stuck until a timeout occurs when specially crafted IXFR\n  queries are sent (bsc#1269206).\n- CVE-2026-40210: out-of-bounds read when `SetMacAddrAction` is used can lead to uninitialized memory being sent over\n  the network or a crash (bsc#1269205).\n- CVE-2026-40211: crafted DNS over HTTP/3 queries can trigger an exception that prevents memory from being freed and can\n  lead to an OOM condition (bsc#1269203).\n- CVE-2026-42004: crafted EDNS OPT record will be ignored by filtering rules, but will be rewritten as a valid OPT\n  record when EDNS Client Subnet is inserted (bsc#1269202).\n- CVE-2026-42005: crafted web request can cause unlimited memory allocation in the internal web server and lead to a DoS\n  (bsc#1269201).","dates":{"published":"2026-08-05T09:13:07.000Z","modified":"2026-08-06T18:23:57.734Z","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":"opensuse","product":"dnsdist&distro=openSUSE Leap 16.0","name":"dnsdist","label":"dnsdist&distro=openSUSE Leap 16.0","ecosystem":"openSUSE","cpePart":null,"purl":"pkg:rpm/opensuse/dnsdist&distro=openSUSE Leap 16.0","purlType":"rpm","versions":[{"text":"< 1.9.15-160000.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.9.15-160000.1.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.suse.com/1269201","label":"bugzilla.suse.com/1269201","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1269202","label":"bugzilla.suse.com/1269202","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1269203","label":"bugzilla.suse.com/1269203","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1269204","label":"bugzilla.suse.com/1269204","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1269205","label":"bugzilla.suse.com/1269205","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1269206","label":"bugzilla.suse.com/1269206","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1269207","label":"bugzilla.suse.com/1269207","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40011","label":"www.suse.com/security/cve/CVE-2026-40011","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40208","label":"www.suse.com/security/cve/CVE-2026-40208","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40209","label":"www.suse.com/security/cve/CVE-2026-40209","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40210","label":"www.suse.com/security/cve/CVE-2026-40210","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40211","label":"www.suse.com/security/cve/CVE-2026-40211","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42004","label":"www.suse.com/security/cve/CVE-2026-42004","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-42005","label":"www.suse.com/security/cve/CVE-2026-42005","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2026-40011","CVE-2026-40208","CVE-2026-40209","CVE-2026-40210","CVE-2026-40211","CVE-2026-42004","CVE-2026-42005"],"downstream":[],"duplicates":[],"related":["CVE-2026-40011","CVE-2026-40208","CVE-2026-40209","CVE-2026-40210","CVE-2026-40211","CVE-2026-42004","CVE-2026-42005"]},"timeline":[{"kind":"published","date":"2026-08-05T09:13:07.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-06T18:23:57.734Z","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":"2026-10-22T18:12:18.776Z","stale":false,"partial":false}}