{"schemaVersion":3,"id":"CVE-2017-9104","aliases":["UBUNTU-CVE-2017-9104","DEBIAN-CVE-2017-9104"],"status":"published","duplicateOf":null,"title":null,"description":"An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.","dates":{"published":"2020-06-18T14:50:48.000Z","modified":"2024-08-05T16:55:22.249Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true}]},"epss":{"probability":0.02356,"percentile":0.83511,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.02356},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02356,"percentile":0.83511}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02356,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02356,"percentile":0.83511}]},"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":[{"id":"CWE-400","name":"Uncontrolled Resource Consumption","description":"The product does not properly control the allocation and maintenance of a limited resource.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/400.html"}],"affected":[{"vendor":"debian","product":"adns","name":"adns","label":"adns","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/adns","purlType":"deb","versions":[{"text":"< 1.6.0-2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.6.0-2","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"adns","name":"adns","label":"adns","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/adns","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"fedoraproject","product":"fedora","name":"fedora","label":"fedora","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"31","noFixRecorded":false,"fixedIn":null},{"text":"32","noFixRecorded":false,"fixedIn":null}],"versionsText":"31 | 32","eol":{"isEol":true,"eolDate":"2020-11-24T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"31","label":"31","eolFrom":"2020-11-24T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"fedora","label":"Fedora Linux","category":"os"}},"hubHref":"/vendor/fedoraproject/fedora"},{"vendor":"gnu","product":"adns","name":"adns","label":"adns","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.5.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.5.2","eol":null,"hubHref":"/vendor/gnu/adns"},{"vendor":"opensuse","product":"leap","name":"leap","label":"leap","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"15.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"15.1","eol":{"isEol":true,"eolDate":"2021-02-02T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"15.1","label":"Leap 15.1","eolFrom":"2021-02-02T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"opensuse","label":"openSUSE","category":"os"}},"hubHref":"/vendor/opensuse/leap"}],"affectedCount":5,"eol":{"hasEol":true,"count":2},"references":[{"url":"http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git","label":"www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git","hostname":"www.chiark.greenend.org.uk","tags":["X Refsource MISC","Third Party Advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00037.html","label":"lists.opensuse.org/opensuse-security-announce/2020-06/msg00037.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE","Mailing List","Third Party Advisory"]},{"url":"https://www.chiark.greenend.org.uk/pipermail/adns-announce/2020/000004.html","label":"www.chiark.greenend.org.uk/pipermail/adns-announce/2020/000004.html","hostname":"www.chiark.greenend.org.uk","tags":["X Refsource CONFIRM","Release Notes","Third Party Advisory"]},{"url":"http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git%3Ba=blob%3Bf=changelog","label":"www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git%3Ba=blob%3Bf=changelog","hostname":"www.chiark.greenend.org.uk","tags":["X Refsource CONFIRM"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRVHN3GGVNQWAOL3PWC5FLAV7HUESLZR/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UGFZ4SPV6KFQK6ZNUZFB5Y32OYFOM5YJ/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://ubuntu.com/security/CVE-2017-9104","label":"ubuntu.com/security/CVE-2017-9104","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git;a=commit;h=7ba7a232de0516d2cce934bdc91627b33b46ef47","label":"www.chiark.greenend.org.uk/ucgi/…","hostname":"www.chiark.greenend.org.uk","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-9104","label":"www.cve.org/CVERecord?id=CVE-2017-9104","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-9104","label":"security-tracker.debian.org/tracker/CVE-2017-9104","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2020:0827-1","SUSE-SU-2020:14399-1","SUSE-SU-2020:1612-1"],"duplicates":[],"related":["OPENSUSE-SU-2020:0827-1","SUSE-SU-2020:14399-1","SUSE-SU-2020:1612-1"]},"timeline":[{"kind":"published","date":"2020-06-18T14:50:48.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T16:55:22.249Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T20:30:32.428Z","stale":false,"partial":false}}