{"id":"CVE-2002-1496","aliases":["EUVD-2002-1479","GHSA-6mwf-gqgc-72xc"],"status":"published","title":"Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to...","description":"Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to execute arbitrary code via a negative value in the Content-Length HTTP header.","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":0.22527,"percentile":0.97721,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2003-04-02T05:00:00Z","modified":"2026-06-16T21:59:26Z","exploits":[{"source":"exploitdb","id":"EDB-21818","title":"Null HTTPd 0.5 - Remote Heap Overflow","type":"remote","platform":"linux","date":"2002-09-23","verified":true,"url":"https://www.exploit-db.com/exploits/21818"}],"products":[{"vendor":"nulllogic","product":"null_httpd"}],"references":[{"url":"http://www.iss.net/security_center/static/10160.php","tags":["vdb-entry","x_refsource_XF","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/5774","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-09/0284.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://freshmeat.net/releases/97910/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-1496"},{"url":"http://freshmeat.net/releases/97910"},{"url":"https://github.com/advisories/GHSA-6mwf-gqgc-72xc"}],"sources":{"cve":[{"id":"CVE-2002-1496","description":"Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to execute arbitrary code via a negative value in the Content-Length HTTP header.","status":"published","published":"2004-09-01T04:00:00Z","modified":"2024-08-08T03:26:28.655Z","updated_at":"2026-11-02T14:33:54.641433Z"}],"euvd":[{"id":"EUVD-2002-1479","description":"Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to execute arbitrary code via a negative value in the Content-Length HTTP header.","status":"published","published":"2004-09-01T04:00:00Z","modified":"2024-08-08T03:26:28Z","updated_at":"2026-11-03T01:14:55.73497Z"}],"ghsa":[{"id":"GHSA-6mwf-gqgc-72xc","title":"Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to...","description":"Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to execute arbitrary code via a negative value in the Content-Length HTTP header.","status":"published","published":"2022-04-30T18:21:17Z","modified":"2025-04-03T03:54:13Z","updated_at":"2026-11-02T15:00:38.47838Z"}],"nvd":[{"id":"CVE-2002-1496","description":"Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to execute arbitrary code via a negative value in the Content-Length HTTP header.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2026-06-16T21:59:26.22Z","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":"2026-11-02T14:00:44.251133Z"}]}}