{"id":"CVE-2009-4413","aliases":["DSA-2002-1","EUVD-2009-4380","GHSA-739g-q9wv-464j"],"status":"published","title":"The httpClientDiscardBody function in client.c in Polipo 0.9.8, 0.9.12, 1.0.4, and possibly other...","description":"The httpClientDiscardBody function in client.c in Polipo 0.9.8, 0.9.12, 1.0.4, and possibly other versions, allows remote attackers to cause a denial of service (crash) via a request with a large Content-Length value, which triggers an integer overflow, a signed-to-unsigned conversion error with a negative value, and a segmentation fault.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0866,"percentile":0.95153,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-189"],"published":"2009-12-24T16:00:00Z","modified":"2026-06-16T23:13:37Z","exploits":[{"source":"exploitdb","id":"EDB-10338","title":"Polipo 1.0.4 - Remote Memory Corruption (PoC)","type":"dos","platform":"linux","date":"2009-12-07","verified":true,"url":"https://www.exploit-db.com/exploits/10338"}],"affected":[{"source":"osv","ecosystem":"Debian:5.0","package":"polipo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.4-1+lenny1"}]}],"versions":["1.0.4-1"],"bundled":2}],"products":[{"vendor":"pps.jussieu","product":"polipo"}],"references":[{"url":"http://www.securityfocus.com/bid/37463","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2009/12/12/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://secunia.com/advisories/38647","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560779","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://secunia.com/advisories/37607","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.exploit-db.com/exploits/10338","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","web"]},{"url":"http://www.debian.org/security/2010/dsa-2002","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4413"},{"url":"https://github.com/advisories/GHSA-739g-q9wv-464j"}],"sources":{"cve":[{"id":"CVE-2009-4413","description":"The httpClientDiscardBody function in client.c in Polipo 0.9.8, 0.9.12, 1.0.4, and possibly other versions, allows remote attackers to cause a denial of service (crash) via a request with a large Content-Length value, which triggers an integer overflow, a signed-to-unsigned conversion error with a negative value, and a segmentation fault.","status":"published","published":"2009-12-24T16:00:00Z","modified":"2024-08-07T07:01:20.255Z","updated_at":"2026-11-02T14:33:24.451733Z"}],"euvd":[{"id":"EUVD-2009-4380","description":"The httpClientDiscardBody function in client.c in Polipo 0.9.8, 0.9.12, 1.0.4, and possibly other versions, allows remote attackers to cause a denial of service (crash) via a request with a large Content-Length value, which triggers an integer overflow, a signed-to-unsigned conversion error with a negative value, and a segmentation fault.","status":"published","published":"2009-12-24T16:00:00Z","modified":"2024-08-07T07:01:20Z","updated_at":"2026-11-03T01:39:10.134983Z"}],"ghsa":[{"id":"GHSA-739g-q9wv-464j","title":"The httpClientDiscardBody function in client.c in Polipo 0.9.8, 0.9.12, 1.0.4, and possibly other...","description":"The httpClientDiscardBody function in client.c in Polipo 0.9.8, 0.9.12, 1.0.4, and possibly other versions, allows remote attackers to cause a denial of service (crash) via a request with a large Content-Length value, which triggers an integer overflow, a signed-to-unsigned conversion error with a negative value, and a segmentation fault.","status":"published","published":"2022-05-02T03:54:28Z","modified":"2023-01-31T05:09:06Z","updated_at":"2026-11-02T14:49:29.017576Z"}],"nvd":[{"id":"CVE-2009-4413","description":"The httpClientDiscardBody function in client.c in Polipo 0.9.8, 0.9.12, 1.0.4, and possibly other versions, allows remote attackers to cause a denial of service (crash) via a request with a large Content-Length value, which triggers an integer overflow, a signed-to-unsigned conversion error with a negative value, and a segmentation fault.","status":"published","published":"2009-12-24T16:30:00.39Z","modified":"2026-06-16T23:13:37.207Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:01:38.33745Z"}],"osv":[{"id":"CVE-2009-4413","description":"The httpClientDiscardBody function in client.c in Polipo 0.9.8, 0.9.12, 1.0.4, and possibly other versions, allows remote attackers to cause a denial of service (crash) via a request with a large Content-Length value, which triggers an integer overflow, a signed-to-unsigned conversion error with a negative value, and a segmentation fault.","status":"withdrawn","published":"2009-12-24T16:30:00Z","modified":"2024-06-04T04:00:19Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DSA-2002-1","title":"polipo - denial of service","status":"published","published":"2010-02-19T00:00:00Z","modified":"2026-03-09T01:18:29.919065Z","updated_at":"2026-11-02T15:46:15.108335Z"}]}}