{"api_version":"1","generated_at":"2026-04-23T04:21:11+00:00","cve":"CVE-2012-5533","urls":{"html":"https://cve.report/CVE-2012-5533","api":"https://cve.report/api/cve/CVE-2012-5533.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2012-5533","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-5533"},"summary":{"title":"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.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2012-11-24 20:55:00","updated_at":"2017-08-29 01:32:00"},"problem_types":["CWE-399"],"metrics":[],"references":[{"url":"http://secunia.com/advisories/51268","name":"51268","refsource":"SECUNIA","tags":["Vendor Advisory"],"title":"About Secunia Research | Flexera","mime":"text/plain","httpstatus":"200","archivestatus":"200"},{"url":"http://secunia.com/advisories/51298","name":"51298","refsource":"SECUNIA","tags":["Vendor Advisory"],"title":"About Secunia Research | Flexera","mime":"text/plain","httpstatus":"200","archivestatus":"200"},{"url":"http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patch","name":"http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patch","refsource":"MISC","tags":["Patch"],"title":"","mime":"text/x-diff","httpstatus":"200","archivestatus":"200"},{"url":"http://www.exploit-db.com/exploits/22902","name":"22902","refsource":"EXPLOIT-DB","tags":["Exploit"],"title":"lighttpd 1.4.31 Denial of Service PoC","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:100","name":"MDVSA-2013:100","refsource":"MANDRIVA","tags":[],"title":"Support / Security / Advisories /  / MDVSA-2013:100 | Mandriva","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345","name":"https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345","refsource":"CONFIRM","tags":[],"title":"Support/Advisories/MGASA-2012-0345 - Mageia wiki","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/56619","name":"56619","refsource":"BID","tags":["Exploit"],"title":"lighttpd 'http_request_split_value()' Function Remote Denial of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html","name":"http://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html","refsource":"MISC","tags":[],"title":"Simple Lighttpd 1.4.31 Denial Of Service ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-updates/2012-11/msg00044.html","name":"openSUSE-SU-2012:1532","refsource":"SUSE","tags":[],"title":"openSUSE-SU-2012:1532-1: moderate: lighttpd","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://marc.info/?l=bugtraq&m=141576815022399&w=2","name":"HPSBGN03191","refsource":"HP","tags":[],"title":"'[security bulletin] HPSBGN03191 rev.1 - HP Remote Device Access: Virtual Customer Access System (vCA' - MARC","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00051.html","name":"openSUSE-SU-2014:0074","refsource":"SUSE","tags":[],"title":"openSUSE-SU-2014:0074-1: moderate: update for lighttpd to 1.4.32","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt","name":"http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"","mime":"text/plain","httpstatus":"200","archivestatus":"200"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/80213","name":"lighttpd-httprequestsplitvalue-dos(80213)","refsource":"XF","tags":[],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id?1027802","name":"1027802","refsource":"SECTRACK","tags":[],"title":"lighttpd Connection Header Processing Flaw Lets Remote Users Deny Service - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://osvdb.org/87623","name":"87623","refsource":"OSVDB","tags":[],"title":"","mime":"","httpstatus":"-1","archivestatus":"0"},{"url":"http://www.openwall.com/lists/oss-security/2012/11/21/1","name":"[oss-security] 20121121 lighttpd 1.4.32 released, fixing CVE-2012-5533","refsource":"MLIST","tags":[],"title":"oss-security - lighttpd 1.4.32 released, fixing CVE-2012-5533","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-5533","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-5533","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2012","cve_id":"5533","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"lighttpd","cpe5":"lighttpd","cpe6":"1.4.31","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"5533","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"lighttpd","cpe5":"lighttpd","cpe6":"1.4.32","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"5533","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"lighttpd","cpe5":"lighttpd","cpe6":"1.4.31","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"5533","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"lighttpd","cpe5":"lighttpd","cpe6":"1.4.32","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"secalert@redhat.com","ID":"CVE-2012-5533","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"[oss-security] 20121121 lighttpd 1.4.32 released, fixing CVE-2012-5533","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2012/11/21/1"},{"name":"openSUSE-SU-2012:1532","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-updates/2012-11/msg00044.html"},{"name":"http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt","refsource":"CONFIRM","url":"http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt"},{"name":"22902","refsource":"EXPLOIT-DB","url":"http://www.exploit-db.com/exploits/22902"},{"name":"1027802","refsource":"SECTRACK","url":"http://www.securitytracker.com/id?1027802"},{"name":"http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patch","refsource":"MISC","url":"http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patch"},{"name":"http://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html","refsource":"MISC","url":"http://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html"},{"name":"51268","refsource":"SECUNIA","url":"http://secunia.com/advisories/51268"},{"name":"https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345","refsource":"CONFIRM","url":"https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345"},{"name":"87623","refsource":"OSVDB","url":"http://osvdb.org/87623"},{"name":"HPSBGN03191","refsource":"HP","url":"http://marc.info/?l=bugtraq&m=141576815022399&w=2"},{"name":"MDVSA-2013:100","refsource":"MANDRIVA","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:100"},{"name":"lighttpd-httprequestsplitvalue-dos(80213)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/80213"},{"name":"51298","refsource":"SECUNIA","url":"http://secunia.com/advisories/51298"},{"name":"openSUSE-SU-2014:0074","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00051.html"},{"name":"56619","refsource":"BID","url":"http://www.securityfocus.com/bid/56619"}]}},"nvd":{"publishedDate":"2012-11-24 20:55:00","lastModifiedDate":"2017-08-29 01:32:00","problem_types":["CWE-399"],"metrics":{"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:lighttpd:lighttpd:1.4.32:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:lighttpd:lighttpd:1.4.31:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2012","CveId":"5533","Ordinal":"58559","Title":"CVE-2012-5533","CVE":"CVE-2012-5533","Year":"2012"},"notes":[{"CveYear":"2012","CveId":"5533","Ordinal":"1","NoteData":"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.","Type":"Description","Title":null},{"CveYear":"2012","CveId":"5533","Ordinal":"2","NoteData":"2012-11-24","Type":"Other","Title":"Published"},{"CveYear":"2012","CveId":"5533","Ordinal":"3","NoteData":"2017-08-28","Type":"Other","Title":"Modified"}]}}}