{"id":"UBUNTU-CVE-2018-18459","details":"The function DCTStream::getBlock in Stream.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted pdf file, as demonstrated by pdftoppm.","modified":"2026-01-20T16:59:40.756455Z","published":"2018-10-18T06:29:00Z","upstream":["CVE-2018-18459"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-18459"},{"type":"REPORT","url":"https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217"},{"type":"REPORT","url":"https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-18459"}],"affected":[{"package":{"name":"ipe","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ipe@7.1.10-1.1?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_version":"7.1.10-1.1","binary_name":"ipe"},{"binary_version":"7.1.10-1.1","binary_name":"libipe-dev"},{"binary_version":"7.1.10-1.1","binary_name":"libipe7.1.10"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18459.json"}},{"package":{"name":"xpdf","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/xpdf@3.04-1ubuntu1.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.03-17ubuntu2","3.03-17ubuntu3","3.03-17ubuntu5","3.03-18","3.04-1","3.04-1build1","3.04-1ubuntu1","3.04-1ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.04-1ubuntu1.1","binary_name":"xpdf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18459.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ipe@7.2.7-3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.7-2","7.2.7-3"],"ecosystem_specific":{"binaries":[{"binary_version":"7.2.7-3","binary_name":"ipe"},{"binary_version":"7.2.7-3","binary_name":"libipe-dev"},{"binary_version":"7.2.7-3","binary_name":"libipe7.2.7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18459.json"}},{"package":{"name":"xpdf","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/xpdf@3.04-7?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.04-4build1","3.04-5","3.04-5ubuntu2","3.04-6ubuntu1","3.04-7"],"ecosystem_specific":{"binaries":[{"binary_version":"3.04-7","binary_name":"xpdf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18459.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ipe@7.2.13-2build1?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_version":"7.2.13-2build1","binary_name":"ipe"},{"binary_version":"7.2.13-2build1","binary_name":"libipe-dev"},{"binary_version":"7.2.13-2build1","binary_name":"libipe7.2.13"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18459.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ipe@7.2.24+dfsg1-1build1?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_version":"7.2.24+dfsg1-1build1","binary_name":"ipe"},{"binary_version":"7.2.24+dfsg1-1build1","binary_name":"libipe-dev"},{"binary_version":"7.2.24+dfsg1-1build1","binary_name":"libipe7.2.24"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18459.json"}},{"package":{"name":"xpdf","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/xpdf@3.04+git20220201-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.04+git20210103-3build1","3.04+git20211021-1","3.04+git20211021-1ubuntu1","3.04+git20220201-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.04+git20220201-1","binary_name":"xpdf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18459.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/ipe@7.2.28-2.1build4?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_version":"7.2.28-2.1build4","binary_name":"ipe"},{"binary_version":"7.2.28-2.1build4","binary_name":"libipe-dev"},{"binary_version":"7.2.28-2.1build4","binary_name":"libipe7.2.28t64"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-securit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