{"id":"CVE-2009-1902","aliases":["EUVD-2009-1897","GHSA-vj86-92j3-rr4c"],"status":"published","title":"The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of...","description":"The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.","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":0.13735,"percentile":0.96532,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-476"],"published":"2009-06-03T16:33:00Z","modified":"2026-06-16T23:08:19Z","exploits":[{"source":"exploitdb","id":"EDB-8241","title":"ModSecurity \u003c 2.5.9 - Remote Denial of Service","type":"dos","platform":"multiple","date":"2009-03-19","verified":true,"url":"https://www.exploit-db.com/exploits/8241"}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"trustwave","product":"modsecurity"}],"references":[{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00487.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Third Party Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/49212","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/8241","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://security.gentoo.org/glsa/glsa-200907-02.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory"]},{"url":"http://secunia.com/advisories/34256","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Third Party Advisory"]},{"url":"http://secunia.com/advisories/35687","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Third Party Advisory"]},{"url":"http://www.osvdb.org/52553","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link"]},{"url":"http://secunia.com/advisories/34311","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Third Party Advisory"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00529.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Third Party Advisory"]},{"url":"http://sourceforge.net/project/shownotes.php?release_id=667542\u0026group_id=68846","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Not Applicable"]},{"url":"http://www.securityfocus.com/archive/1/501968","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.vupen.com/english/advisories/2009/0703","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/34096","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1902"},{"url":"https://github.com/advisories/GHSA-vj86-92j3-rr4c"}],"sources":{"cve":[{"id":"CVE-2009-1902","description":"The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.","status":"published","published":"2009-06-03T16:33:00Z","modified":"2024-08-07T05:27:54.754Z","updated_at":"2026-11-02T14:33:25.126493Z"}],"euvd":[{"id":"EUVD-2009-1897","description":"The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.","status":"published","published":"2009-06-03T16:33:00Z","modified":"2024-08-07T05:27:54Z","updated_at":"2026-11-03T01:39:19.949759Z"}],"ghsa":[{"id":"GHSA-vj86-92j3-rr4c","title":"The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of...","description":"The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.","status":"published","published":"2022-05-02T03:29:43Z","modified":"2023-01-31T05:07:18Z","cwes":["CWE-476"],"updated_at":"2026-11-02T14:49:11.285449Z"}],"nvd":[{"id":"CVE-2009-1902","description":"The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.","status":"published","published":"2009-06-03T17:00:00.687Z","modified":"2026-06-16T23:08:19.417Z","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-476"],"updated_at":"2026-11-02T14:01:35.733785Z"}]}}