{"id":"DEBIAN-CVE-2018-20751","details":"An issue was discovered in crop_page in PoDoFo 0.9.6. For a crafted PDF document, pPage-\u003eGetObject()-\u003eGetDictionary().AddKey(PdfName(\"MediaBox\"),var) can be problematic due to the function GetObject() being called for the pPage NULL pointer object. The value of pPage at this point is 0x0, which causes a NULL pointer dereference.","modified":"2026-09-01T16:04:42.012053391Z","published":"2019-02-04T19:29:00.240Z","upstream":["CVE-2018-20751"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2018-20751"}],"affected":[{"package":{"name":"libpodofo","ecosystem":"Debian:12","purl":"pkg:deb/debian/libpodofo?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.6+dfsg-4"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20751.json"}},{"package":{"name":"libpodofo","ecosystem":"Debian:13","purl":"pkg:deb/debian/libpodofo?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.6+dfsg-4"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20751.json"}},{"package":{"name":"libpodofo","ecosystem":"Debian:14","purl":"pkg:deb/debian/libpodofo?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.6+dfsg-4"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20751.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}