{"schemaVersion":3,"id":"CVE-2018-18650","aliases":["UBUNTU-CVE-2018-18650"],"status":"published","duplicateOf":null,"title":null,"description":"An issue was discovered in Xpdf 4.00. XRef::readXRefStream in XRef.cc allows attackers to launch a denial of service (Integer Overflow) via a crafted /Size value in a pdf file, as demonstrated by pdftohtml. 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Reference (forum.xpdfreader.com)","source":"reference","url":"https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-190","name":"Integer Overflow or Wraparound","description":"The product performs a calculation that can\n         produce an integer overflow or wraparound when the logic\n         assumes that the resulting value will always be larger than\n         the original value. This occurs when an integer value is\n         incremented to a value that is too large to store in the\n         associated representation. When this occurs, the value may\n         become a very small or negative number.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/190.html"}],"affected":[{"vendor":"ubuntu","product":"ipe","name":"ipe","label":"ipe","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/ipe","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"xpdfreader","product":"xpdf","name":"xpdf","label":"xpdf","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"4.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"4.0.0","eol":null,"hubHref":"/vendor/xpdfreader/xpdf"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747","label":"forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747","hostname":"forum.xpdfreader.com","tags":["X Refsource MISC","Exploit","Third Party Advisory","REPORT"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/152006","label":"exchange.xforce.ibmcloud.com/vulnerabilities/152006","hostname":"exchange.xforce.ibmcloud.com","tags":["Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-18650","label":"ubuntu.com/security/CVE-2018-18650","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-18650","label":"www.cve.org/CVERecord?id=CVE-2018-18650","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-10-25T13:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-17T04:09:01.509Z","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":"2026-10-19T18:57:32.066Z","stale":false,"partial":false}}