{"schemaVersion":3,"id":"CVE-2018-19516","aliases":["MGASA-2018-0476","UBUNTU-CVE-2018-19516","DEBIAN-CVE-2018-19516"],"status":"published","duplicateOf":null,"title":null,"description":"messagepartthemes/default/defaultrenderer.cpp in messagelib in KDE Applications before 18.12.0 does not properly restrict the handling of an http-equiv=\"REFRESH\" value.","dates":{"published":"2020-03-12T20:27:43.000Z","modified":"2024-08-05T11:37:11.523Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.3,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","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:P/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","exploitability":10,"impact":2.3,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","exploitability":10,"impact":2.3,"computed":true}]},"epss":{"probability":0.01104,"percentile":0.65211,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.01104},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01104,"percentile":0.65211}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01104,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01104,"percentile":0.65211}]},"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":"kf5-messagelib","name":"kf5-messagelib","label":"kf5-messagelib","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/kf5-messagelib","purlType":"deb","versions":[{"text":"< 4:18.08.3-2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4:18.08.3-2","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"kf5-messagelib","name":"kf5-messagelib","label":"kf5-messagelib","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/kf5-messagelib","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"kde","product":"kde_applications","name":"kde applications","label":"kde_applications","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 18.12","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 18.12","eol":null,"hubHref":"/vendor/kde/kde_applications"},{"vendor":"mageia","product":"messagelib","name":"messagelib","label":"messagelib","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/messagelib","purlType":"rpm","versions":[{"text":"< 17.12.2-1.1.mga6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 17.12.2-1.1.mga6","eol":null,"hubHref":null}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://cgit.kde.org/messagelib.git/commit/messageviewer/src/messagepartthemes/default/defaultrenderer.cpp?id=34765909cdf8e55402a8567b48fb288839c61612","label":"cgit.kde.org/messagelib.git/…","hostname":"cgit.kde.org","tags":["X Refsource MISC","Patch","Vendor Advisory"]},{"url":"https://advisories.mageia.org/MGASA-2018-0476.html","label":"advisories.mageia.org/MGASA-2018-0476.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=23923","label":"bugs.mageia.org/show_bug.cgi?id=23923","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://www.kde.org/info/security/advisory-20181128-1.txt","label":"www.kde.org/info/security/advisory-20181128-1.txt","hostname":"www.kde.org","tags":["Advisory","REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-19516","label":"ubuntu.com/security/CVE-2018-19516","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://cgit.kde.org/messagelib.git/commit/?id=34765909cdf8e55402a8567b48fb288839c61612","label":"cgit.kde.org/messagelib.git/commit/?id=34765909cdf8e55402a8567b48fb288839c61612","hostname":"cgit.kde.org","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-19516","label":"www.cve.org/CVERecord?id=CVE-2018-19516","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-19516","label":"security-tracker.debian.org/tracker/CVE-2018-19516","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-03-12T20:27:43.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T11:37:11.523Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":21,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T13:57:27.490Z","stale":false,"partial":false}}