{"schemaVersion":3,"id":"CVE-2018-16303","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"PDF-XChange Editor through 7.0.326.1 allows remote attackers to cause a denial of service (resource consumption) via a crafted x:xmpmeta structure, a related issue to CVE-2003-1564.","dates":{"published":"2018-09-01T14:00:00.000Z","modified":"2024-08-05T10:17:38.408Z","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}]},"epss":{"probability":0.01616,"percentile":0.75685,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01616},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01617,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01616,"percentile":0.75685}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01617,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01616,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01616,"percentile":0.75685}]},"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":[{"id":"REF_532C43DCDF45D949","name":"Exploit Reference (forum.tracker-software.com)","source":"reference","url":"https://forum.tracker-software.com/viewtopic.php?f=62&t=31419","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-611","name":"Improper Restriction of XML External Entity Reference","description":"The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/611.html"}],"affected":[{"vendor":"pdf-xchange","product":"pdf-xchange_editor","name":"pdf-xchange editor","label":"pdf-xchange_editor","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 7.0.326.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 7.0.326.1","eol":null,"hubHref":"/vendor/pdf-xchange/pdf-xchange_editor"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://forum.tracker-software.com/viewtopic.php?f=62&t=31419","label":"forum.tracker-software.com/viewtopic.php?f=62&t=31419","hostname":"forum.tracker-software.com","tags":["X Refsource MISC","Exploit","Issue Tracking","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-09-01T14:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T10:17:38.408Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":40,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T07:56:58.060Z","stale":false,"partial":false}}