{"schemaVersion":3,"id":"CVE-2019-16319","aliases":["UBUNTU-CVE-2019-16319","DEBIAN-CVE-2019-16319"],"status":"published","duplicateOf":null,"title":null,"description":"In Wireshark 3.0.0 to 3.0.3 and 2.6.0 to 2.6.10, the Gryphon dissector could go into an infinite loop. This was addressed in plugins/epan/gryphon/packet-gryphon.c by checking for a message length of zero.","dates":{"published":"2019-09-15T15:15:14.000Z","modified":"2024-08-05T01:10:41.669Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/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":7.8,"severity":"high","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true}]},"epss":{"probability":0.03753,"percentile":0.89757,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.03753},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03753,"percentile":0.89757}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03753,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03753,"percentile":0.89757}]},"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":"wireshark","name":"wireshark","label":"wireshark","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/wireshark","purlType":"deb","versions":[{"text":"< 3.0.4-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.0.4-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"wireshark","name":"wireshark","label":"wireshark","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/wireshark","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","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":"9.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"9.0","eol":{"isEol":true,"eolDate":"2022-07-01T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"9","label":"9 (Stretch)","eolFrom":"2022-07-01T00:00:00.000Z","isLts":false,"isMaintained":true,"latestVersion":"9.13"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"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"},{"vendor":"wireshark","product":"wireshark","name":"wireshark","label":"wireshark","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 2.6.0, ≤ 2.6.10","noFixRecorded":false,"fixedIn":null},{"text":"≥ 3.0.0, ≤ 3.0.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.6.0, ≤ 2.6.10 | ≥ 3.0.0, ≤ 3.0.3","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"wireshark","label":"Wireshark","category":"app"}},"hubHref":"/vendor/wireshark/wireshark"}],"affectedCount":5,"eol":{"hasEol":true,"count":2},"references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2019-21.html","label":"www.wireshark.org/security/wnpa-sec-2019-21.html","hostname":"www.wireshark.org","tags":["X Refsource MISC","Vendor Advisory","REPORT"]},{"url":"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16020","label":"bugs.wireshark.org/bugzilla/show_bug.cgi?id=16020","hostname":"bugs.wireshark.org","tags":["X Refsource MISC","Issue Tracking","Vendor Advisory","REPORT"]},{"url":"https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=02ddd49885c6a09e936a76aceb726ed06539704a","label":"code.wireshark.org/review/…","hostname":"code.wireshark.org","tags":["X Refsource MISC"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html","label":"lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE","Mailing List","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html","label":"lists.debian.org/debian-lts-announce/2021/02/msg00008.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-16319","label":"ubuntu.com/security/CVE-2019-16319","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=02ddd49885c6a09e936a76aceb726ed06539704a","label":"code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=02ddd49885c6a09e936a76aceb726ed06539704a","hostname":"code.wireshark.org","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-16319","label":"www.cve.org/CVERecord?id=CVE-2019-16319","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-16319","label":"security-tracker.debian.org/tracker/CVE-2019-16319","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-2547-1","OPENSUSE-SU-2020:0362-1","OPENSUSE-SU-2024:11513-1","SUSE-SU-2020:0693-1"],"duplicates":[],"related":["OPENSUSE-SU-2020:0362-1","OPENSUSE-SU-2024:11513-1","SUSE-SU-2020:0693-1"]},"timeline":[{"kind":"published","date":"2019-09-15T15:15:14.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T01:10:41.669Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T22:22:50.454Z","stale":false,"partial":false}}