{"id":"CVE-2006-4626","aliases":["EUVD-2006-4614","GHSA-qf9j-7j34-r94m"],"status":"published","title":"Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote...","description":"Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote attackers to execute arbitrary code via a crafted LHA file that contains extended headers with file and directory names whose concatenation triggers the overflow.","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":0.04786,"percentile":0.9199,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2006-09-07T21:00:00Z","modified":"2026-06-16T22:29:28Z","products":[{"vendor":"alwil","product":"avast_antivirus"}],"references":[{"url":"http://www.hustlelabs.com/advisories/04072006_alwil.pdf","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/19903","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2006/3515","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://secunia.com/advisories/21794","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-4626"},{"url":"https://github.com/advisories/GHSA-qf9j-7j34-r94m"}],"sources":{"cve":[{"id":"CVE-2006-4626","description":"Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote attackers to execute arbitrary code via a crafted LHA file that contains extended headers with file and directory names whose concatenation triggers the overflow.","status":"published","published":"2006-09-07T21:00:00Z","modified":"2024-08-07T19:14:47.874Z","updated_at":"2026-11-02T14:33:51.470623Z"}],"euvd":[{"id":"EUVD-2006-4614","description":"Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote attackers to execute arbitrary code via a crafted LHA file that contains extended headers with file and directory names whose concatenation triggers the overflow.","status":"published","published":"2006-09-07T21:00:00Z","modified":"2024-08-07T19:14:47Z","updated_at":"2026-11-03T01:15:51.316983Z"}],"ghsa":[{"id":"GHSA-qf9j-7j34-r94m","title":"Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote...","description":"Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote attackers to execute arbitrary code via a crafted LHA file that contains extended headers with file and directory names whose concatenation triggers the overflow.","status":"published","published":"2022-05-01T07:20:25Z","modified":"2023-01-31T05:02:00Z","updated_at":"2026-11-02T14:48:10.613465Z"}],"nvd":[{"id":"CVE-2006-4626","description":"Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote attackers to execute arbitrary code via a crafted LHA file that contains extended headers with file and directory names whose concatenation triggers the overflow.","status":"published","published":"2006-09-07T21:04:00Z","modified":"2026-06-16T22:29:28.793Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:05.928789Z"}]}}