{"id":"CVE-2005-2920","url":"https://www.cyber-defence.io/tools/cve/CVE-2005-2920","generatedAt":"2026-10-27T18:33:18.161Z","title":"Buffer overflow in libclamav/upx.c in Clam AntiVirus (ClamAV) before 0.87 allows remote attackers to execute arbitrary code via a crafted UPX packed executable.","description":"Buffer overflow in libclamav/upx.c in Clam AntiVirus (ClamAV) before 0.87 allows remote attackers to execute arbitrary code via a crafted UPX packed executable.","published":"2005-09-20T23:03:00.000Z","lastModified":"2026-06-16T22:15:54.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":[],"affected":["clam anti-virus/clamav"],"epss":{"score":0.08227,"percentile":0.94852,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (8.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://secunia.com/advisories/16848","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/16989","source":"cve@mitre.org"},{"url":"http://sourceforge.net/project/shownotes.php?release_id=356974","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2005/dsa-824","source":"cve@mitre.org"},{"url":"http://www.gentoo.org/security/en/glsa/glsa-200509-13.xml","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.kb.cert.org/vuls/id/363713","tags":["US Government Resource"],"source":"cve@mitre.org"},{"url":"http://www.novell.com/linux/security/advisories/2005_55_clamav.html","source":"cve@mitre.org"},{"url":"http://www.osvdb.org/19506","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/14866","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2005/1774","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/22307","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/16848","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/16989","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://sourceforge.net/project/shownotes.php?release_id=356974","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2005/dsa-824","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.gentoo.org/security/en/glsa/glsa-200509-13.xml","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/363713","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.novell.com/linux/security/advisories/2005_55_clamav.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.osvdb.org/19506","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/14866","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2005/1774","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/22307","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2005-2920","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}