{"id":"CVE-2018-18650","details":"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. This is mainly caused by the program attempting a malloc operation for a large amount of memory.","modified":"2026-03-14T09:28:35.372976Z","published":"2018-10-25T13:29:00.237Z","references":[{"type":"ADVISORY","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/152006"},{"type":"EVIDENCE","url":"https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.00"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18650.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}