{"id":"DEBIAN-CVE-2006-4018","details":"Heap-based buffer overflow in the pefromupx function in libclamav/upx.c in Clam AntiVirus (ClamAV) 0.81 through 0.88.3 allows remote attackers to execute arbitrary code via a crafted UPX packed file containing sections with large rsize values.","modified":"2026-09-12T06:47:32.104949264Z","published":"2006-08-08T20:04:00Z","upstream":["CVE-2006-4018"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2006-4018"}],"affected":[{"package":{"name":"clamav","ecosystem":"Debian:12","purl":"pkg:deb/debian/clamav?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.88.4-1"}]}],"ecosystem_specific":{"urgency":"high"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4018.json"}},{"package":{"name":"clamav","ecosystem":"Debian:13","purl":"pkg:deb/debian/clamav?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.88.4-1"}]}],"ecosystem_specific":{"urgency":"high"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4018.json"}},{"package":{"name":"clamav","ecosystem":"Debian:14","purl":"pkg:deb/debian/clamav?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.88.4-1"}]}],"ecosystem_specific":{"urgency":"high"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2006-4018.json"}}],"schema_version":"1.9.0"}