{"id":"UBUNTU-CVE-2026-35406","details":"Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1.","modified":"2026-05-20T16:25:36.668345389Z","published":"2026-04-07T22:16:00Z","upstream":["CVE-2026-35406"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-35406"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-35406"},{"type":"REPORT","url":"https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1"},{"type":"REPORT","url":"https://github.com/containers/aardvark-dns/releases/tag/v1.17.1"},{"type":"REPORT","url":"https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j"}],"affected":[{"package":{"name":"aardvark-dns","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/aardvark-dns?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.0-4","1.4.0-5"],"ecosystem_specific":{"binaries":[{"binary_version":"1.4.0-5","binary_name":"aardvark-dns"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-35406.json"}},{"package":{"name":"aardvark-dns","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/aardvark-dns?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.2-2","1.14.0-3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.14.0-3","binary_name":"aardvark-dns"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-35406.json"}},{"package":{"name":"aardvark-dns","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/aardvark-dns?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.14.0-3","1.16.0-2","1.16.0-3"],"ecosystem_specific":{"binaries":[{"binary_name":"aardvark-dns","binary_version":"1.16.0-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-35406.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}