{"id":"CVE-2012-5533","aliases":["DEBIAN-CVE-2012-5533","EUVD-2012-5425","GHSA-v87j-h4pq-fh3j","openSUSE-SU-2024:10402-1"],"status":"published","title":"The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote...","description":"The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the \"Connection: TE,,Keep-Alive\" header.","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":"2026-11-08","score":0.12038,"percentile":0.96164,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-399"],"published":"2012-11-24T20:00:00Z","modified":"2026-10-23T17:47:49Z","exploits":[{"source":"exploitdb","id":"EDB-22902","title":"lighttpd 1.4.31 - Denial of Service (PoC)","type":"dos","platform":"linux","date":"2012-11-22","url":"https://www.exploit-db.com/exploits/22902"}],"fixes":[{"ecosystem":"Debian:12","package":"lighttpd","fixed_in":["1.4.31-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"lighttpd","fixed_in":["1.4.31-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"lighttpd","fixed_in":["1.4.31-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"lighttpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.31-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"lighttpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.31-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"lighttpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.31-2"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"lighttpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.37-1.6"}]}],"bundled":8}],"products":[{"vendor":"lighttpd","product":"lighttpd"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2012/11/21/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2012-11/msg00044.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.exploit-db.com/exploits/22902","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","evidence"]},{"url":"http://www.securitytracker.com/id?1027802","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patch","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"http://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://secunia.com/advisories/51268","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://osvdb.org/87623","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://marc.info/?l=bugtraq\u0026m=141576815022399\u0026w=2","tags":["vendor-advisory","x_refsource_HP","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:100","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/80213","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://secunia.com/advisories/51298","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00051.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/56619","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-5533"},{"url":"https://github.com/advisories/GHSA-v87j-h4pq-fh3j"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-5533","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2010-0295","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-4362","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5533","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4508","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4559","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4560","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-2323","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-2324","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2012-5533","description":"The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the \"Connection: TE,,Keep-Alive\" header.","status":"published","published":"2012-11-24T20:00:00Z","modified":"2024-08-06T21:05:47.345Z","updated_at":"2026-11-02T14:34:49.600255Z"}],"euvd":[{"id":"EUVD-2012-5425","description":"The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the \"Connection: TE,,Keep-Alive\" header.","status":"published","published":"2012-11-24T20:00:00Z","modified":"2024-08-06T21:05:47Z","updated_at":"2026-11-03T01:56:04.46975Z"}],"ghsa":[{"id":"GHSA-v87j-h4pq-fh3j","title":"The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote...","description":"The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the \"Connection: TE,,Keep-Alive\" header.","status":"published","published":"2022-05-17T01:39:21Z","modified":"2023-02-03T05:05:00Z","updated_at":"2026-11-02T14:53:40.095446Z"}],"nvd":[{"id":"CVE-2012-5533","description":"The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the \"Connection: TE,,Keep-Alive\" header.","status":"published","published":"2012-11-24T20:55:04.307Z","modified":"2026-06-16T23:46:57.613Z","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-399"],"updated_at":"2026-11-02T14:02:16.536025Z"}],"osv":[{"id":"CVE-2012-5533","description":"The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the \"Connection: TE,,Keep-Alive\" header.","status":"published","published":"2012-11-24T20:55:04Z","modified":"2026-04-10T03:43:14.159262Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-5533","description":"The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the \"Connection: TE,,Keep-Alive\" header.","status":"published","published":"2012-11-24T20:55:04.307Z","modified":"2026-10-23T17:47:49.54196207Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"openSUSE-SU-2024:10402-1","title":"lighttpd-1.4.37-1.6 on GA media","description":"These are all security issues fixed in the lighttpd-1.4.37-1.6 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:30:23.176601Z","updated_at":"2026-11-02T16:58:34.487567Z"}]}}