{"id":"UBUNTU-CVE-2018-18651","details":"An issue was discovered in Xpdf 4.00. catalog-\u003egetNumPages() in AcroForm.cc allows attackers to launch a denial of service (hang caused by large loop) via a specific pdf file, as demonstrated by pdftohtml. This is mainly caused by a large number after the /Count field in the file.","modified":"2026-05-20T16:03:34.011802716Z","published":"2018-10-25T13:29:00Z","upstream":["CVE-2018-18651"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-18651"},{"type":"REPORT","url":"https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-18651"}],"affected":[{"package":{"name":"ipe","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.1.4-2.1","7.1.8-1","7.1.10-1","7.1.10-1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"ipe","binary_version":"7.1.10-1.1"},{"binary_name":"libipe7.1.10","binary_version":"7.1.10-1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18651.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.7-2","7.2.7-3"],"ecosystem_specific":{"binaries":[{"binary_name":"ipe","binary_version":"7.2.7-3"},{"binary_name":"libipe7.2.7","binary_version":"7.2.7-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18651.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.9-1","7.2.13-2","7.2.13-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ipe","binary_version":"7.2.13-2build1"},{"binary_name":"libipe7.2.13","binary_version":"7.2.13-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18651.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.23+dfsg1-2","7.2.24+dfsg1-1","7.2.24+dfsg1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ipe","binary_version":"7.2.24+dfsg1-1build1"},{"binary_name":"libipe7.2.24","binary_version":"7.2.24+dfsg1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18651.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.27+dfsg1-2","7.2.28-2","7.2.28-2.1build2","7.2.28-2.1build3","7.2.28-2.1build4"],"ecosystem_specific":{"binaries":[{"binary_name":"ipe","binary_version":"7.2.28-2.1build4"},{"binary_name":"libipe7.2.28t64","binary_version":"7.2.28-2.1build4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18651.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.30-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ipe","binary_version":"7.2.30-1build1"},{"binary_name":"libipe7.2.30","binary_version":"7.2.30-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18651.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.30-1build1","7.2.30-1build2"],"ecosystem_specific":{"binaries":[{"binary_name":"ipe","binary_version":"7.2.30-1build2"},{"binary_name":"libipe7.2.30","binary_version":"7.2.30-1build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18651.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"},{"type":"Ubuntu","score":"low"}]}