{"schemaVersion":3,"id":"CVE-2018-14369","aliases":["UBUNTU-CVE-2018-14369","DEBIAN-CVE-2018-14369"],"status":"published","duplicateOf":null,"title":null,"description":"In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the HTTP2 dissector could crash. This was addressed in epan/dissectors/packet-http2.c by verifying that header data was found before proceeding to header decompression.","dates":{"published":"2018-07-19T02:00:00.000Z","modified":"2024-08-05T09:29:50.595Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/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":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Debian","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true}]},"epss":{"probability":0.03309,"percentile":0.88401,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":-0.04299999999999998,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.03352},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.03352,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.03352,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.03352,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.03352,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.03352,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.03352,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03352,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03176,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03352,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03309,"percentile":0.88401}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.03352,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03352,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03176,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03352,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03309,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03309,"percentile":0.88401}]},"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-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"debian","product":"wireshark","name":"wireshark","label":"wireshark","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/wireshark","purlType":"deb","versions":[{"text":"< 2.6.2-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.6.2-1","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":"< 2.6.3-1~ubuntu14.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 2.6.3-1~ubuntu16.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 2.6.3-1~ubuntu18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.6.3-1~ubuntu14.04.1 | < 2.6.3-1~ubuntu16.04.1 | < 2.6.3-1~ubuntu18.04.1","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":"wireshark","product":"wireshark","name":"wireshark","label":"wireshark","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 2.2.0, ≤ 2.2.15","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2.4.0, ≤ 2.4.7","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2.6.0, ≤ 2.6.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.2.0, ≤ 2.2.15 | ≥ 2.4.0, ≤ 2.4.7 | ≥ 2.6.0, ≤ 2.6.1","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"wireshark","label":"Wireshark","category":"app"}},"hubHref":"/vendor/wireshark/wireshark"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://www.securitytracker.com/id/1041608","label":"www.securitytracker.com/id/1041608","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00045.html","label":"lists.debian.org/debian-lts-announce/2018/07/msg00045.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=038cd225bfa54e2a7ade4043118796334920a61e","label":"code.wireshark.org/review/…","hostname":"code.wireshark.org","tags":["X Refsource CONFIRM"]},{"url":"https://www.wireshark.org/security/wnpa-sec-2018-41.html","label":"www.wireshark.org/security/wnpa-sec-2018-41.html","hostname":"www.wireshark.org","tags":["X Refsource CONFIRM","Vendor Advisory","REPORT"]},{"url":"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14869","label":"bugs.wireshark.org/bugzilla/show_bug.cgi?id=14869","hostname":"bugs.wireshark.org","tags":["X Refsource CONFIRM","Issue Tracking","Vendor Advisory","REPORT"]},{"url":"http://www.securityfocus.com/bid/104847","label":"www.securityfocus.com/bid/104847","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"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"]},{"url":"https://ubuntu.com/security/CVE-2018-14369","label":"ubuntu.com/security/CVE-2018-14369","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=038cd225bfa54e2a7ade4043118796334920a61e","label":"code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=038cd225bfa54e2a7ade4043118796334920a61e","hostname":"code.wireshark.org","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-14369","label":"www.cve.org/CVERecord?id=CVE-2018-14369","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-14369","label":"security-tracker.debian.org/tracker/CVE-2018-14369","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-1451-1","MGASA-2018-0320","OPENSUSE-SU-2020:0362-1","OPENSUSE-SU-2024:11513-1","SUSE-SU-2018:2301-1","SUSE-SU-2018:2412-1","SUSE-SU-2018:2891-1","SUSE-SU-2018:2891-2","SUSE-SU-2020:0693-1"],"duplicates":[],"related":["OPENSUSE-SU-2020:0362-1","OPENSUSE-SU-2024:11513-1","SUSE-SU-2018:2301-1","SUSE-SU-2018:2412-1","SUSE-SU-2018:2891-1","SUSE-SU-2018:2891-2","SUSE-SU-2020:0693-1"]},"timeline":[{"kind":"published","date":"2018-07-19T02:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T09:29:50.595Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T16:15:56.933Z","stale":false,"partial":false}}