{"id":"CVE-2006-4018","aliases":["DEBIAN-CVE-2006-4018","DSA-1153","EUVD-2006-4011","GHSA-4jgv-gpc4-9rmg"],"status":"published","title":"Heap-based buffer overflow in the pefromupx function in libclamav/upx.c in Clam AntiVirus (ClamAV...","description":"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.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.19396,"percentile":0.97375,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-119"],"published":"2006-08-08T20:00:00Z","modified":"2026-10-22T23:47:28Z","exploits":[{"source":"exploitdb","id":"EDB-28348","title":"Clam Anti-Virus ClamAV 0.88.x - UPX Compressed 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Overflow","type":"dos","platform":"linux","date":"2006-08-07","verified":true,"url":"https://www.exploit-db.com/exploits/28348"}],"fixes":[{"ecosystem":"Debian:12","package":"clamav","fixed_in":["0.88.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"clamav","fixed_in":["0.88.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"clamav","fixed_in":["0.88.4-1"],"sources":["osv"]},{"ecosystem":"Debian:3.1","package":"clamav","fixed_in":["0.84-2.sarge.10"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"clamav","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.88.4-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"clamav","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.88.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"clamav","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.88.4-1"}]}]},{"source":"osv","ecosystem":"Debian:3.1","package":"clamav","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.84-2.sarge.10"}]}],"versions":["0.84-2","0.84-2.sarge.1","0.84-2.sarge.2","0.84-2.sarge.3","0.84-2.sarge.4","0.84-2.sarge.5","0.84-2.sarge.6","0.84-2.sarge.7","0.84-2.sarge.8","0.84-2.sarge.9"]}],"products":[{"vendor":"clamav","product":"clamav"}],"references":[{"url":"http://www.vupen.com/english/advisories/2006/3175","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.securityfocus.com/archive/1/442681/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://secunia.com/advisories/21562","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.novell.com/linux/security/advisories/2006_46_clamav.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/21368","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://secunia.com/advisories/21433","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor 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Advisory","advisory","evidence","fix"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/28286","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://www.trustix.org/errata/2006/0046/","tags":["vendor-advisory","x_refsource_TRUSTIX","x_transferred","web"]},{"url":"http://secunia.com/advisories/21457","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://secunia.com/advisories/21374","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.vupen.com/english/advisories/2006/3275","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor 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values.","status":"published","published":"2006-08-08T20:00:00Z","modified":"2024-08-07T18:57:44Z","updated_at":"2026-11-03T01:15:53.547673Z"}],"ghsa":[{"id":"GHSA-4jgv-gpc4-9rmg","title":"Heap-based buffer overflow in the pefromupx function in libclamav/upx.c in Clam AntiVirus (ClamAV...","description":"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.","status":"published","published":"2022-05-01T07:14:40Z","modified":"2025-04-03T04:39:08Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:00:46.038216Z"}],"nvd":[{"id":"CVE-2006-4018","description":"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.","status":"published","published":"2006-08-08T20:04:00Z","modified":"2026-06-16T22:28:16.153Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:05.130518Z"}],"osv":[{"id":"CVE-2006-4018","description":"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.","status":"published","published":"2006-08-08T20:04:00Z","modified":"2026-04-10T03:32:04.887206Z","updated_at":"2026-11-02T15:43:56.865964Z"},{"id":"DEBIAN-CVE-2006-4018","description":"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.","status":"published","published":"2006-08-08T20:04:00Z","modified":"2026-10-22T23:47:28.883771035Z","updated_at":"2026-11-02T15:45:23.105674Z"},{"id":"DSA-1153","title":"clamav - buffer overflow","status":"published","published":"2006-08-18T00:00:00Z","modified":"2026-03-09T01:01:22.49237Z","updated_at":"2026-11-02T15:46:14.285228Z"}]}}