{"schemaVersion":3,"id":"CVE-2016-9776","aliases":["UBUNTU-CVE-2016-9776","DEBIAN-CVE-2016-9776"],"status":"published","duplicateOf":null,"title":null,"description":"QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets in 'mcf_fec_receive'. A privileged user/process inside guest could use this issue to crash the QEMU process on the host leading to DoS.","dates":{"published":"2016-12-29T22:00:00.000Z","modified":"2024-08-06T02:59:03.469Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":2.1,"severity":"low","vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":5.5,"severity":"medium","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","exploitability":4.6,"impact":6,"computed":true}]},"epss":{"probability":0.0042,"percentile":0.34893,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.0042},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0042,"percentile":0.34893}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0042,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0042,"percentile":0.34893}]},"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-835","name":"Loop with Unreachable Exit Condition ('Infinite Loop')","description":"The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/835.html"}],"affected":[{"vendor":"debian","product":"qemu","name":"qemu","label":"qemu","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/qemu","purlType":"deb","versions":[{"text":"< 1:2.8+dfsg-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:2.8+dfsg-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"qemu","name":"qemu","label":"qemu","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/qemu","purlType":"deb","versions":[{"text":"< 2.0.0+dfsg-2ubuntu1.33","noFixRecorded":false,"fixedIn":null},{"text":"< 1:2.5+dfsg-5ubuntu10.11","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.0.0+dfsg-2ubuntu1.33 | < 1:2.5+dfsg-5ubuntu10.11","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"8.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.0","eol":{"isEol":true,"eolDate":"2020-06-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"8","label":"8 (Jessie)","eolFrom":"2020-06-30T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"8.11"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"qemu","product":"qemu","name":"qemu","label":"qemu","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 2.7.1","noFixRecorded":false,"fixedIn":null},{"text":"2.8.0:rc0","noFixRecorded":false,"fixedIn":null},{"text":"2.8.0:rc1","noFixRecorded":false,"fixedIn":null},{"text":"2.8.0:rc2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2.7.1 | 2.8.0:rc0 | 2.8.0:rc1 | 2.8.0:rc2","eol":null,"hubHref":"/vendor/qemu/qemu"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html","label":"lists.debian.org/debian-lts-announce/2018/09/msg00007.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/201701-49","label":"security.gentoo.org/glsa/201701-49","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/12/02/3","label":"www.openwall.com/lists/oss-security/2016/12/02/3","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/12/02/8","label":"www.openwall.com/lists/oss-security/2016/12/02/8","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1400829","label":"bugzilla.redhat.com/show_bug.cgi?id=1400829","hostname":"bugzilla.redhat.com","tags":["X Refsource CONFIRM","Issue Tracking","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/94638","label":"www.securityfocus.com/bid/94638","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.html","label":"lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.html","hostname":"lists.gnu.org","tags":["Mailing List","X Refsource MLIST","Patch","Vendor Advisory","REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-9776","label":"ubuntu.com/security/CVE-2016-9776","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-3261-1","label":"ubuntu.com/security/notices/USN-3261-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-9776","label":"www.cve.org/CVERecord?id=CVE-2016-9776","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-9776","label":"security-tracker.debian.org/tracker/CVE-2016-9776","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-1497-1","SUSE-SU-2017:0127-1","SUSE-SU-2017:0570-1","SUSE-SU-2017:0582-1","SUSE-SU-2017:0647-1","SUSE-SU-2017:0661-1","SUSE-SU-2017:0718-1","SUSE-SU-2017:1135-1","SUSE-SU-2017:1241-1","SUSE-SU-2017:3084-1","USN-3261-1"],"duplicates":[],"related":["SUSE-SU-2017:0127-1","SUSE-SU-2017:0570-1","SUSE-SU-2017:0582-1","SUSE-SU-2017:0647-1","SUSE-SU-2017:0661-1","SUSE-SU-2017:0718-1","SUSE-SU-2017:1135-1","SUSE-SU-2017:1241-1","SUSE-SU-2017:3084-1","USN-3261-1"]},"timeline":[{"kind":"published","date":"2016-12-29T22:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T02:59:03.469Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":22,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T13:06:51.703Z","stale":false,"partial":false}}