{"id":"CVE-2009-0033","aliases":[],"url":"https://o3.security/vulnerability/CVE-2009-0033","summary":"Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18, when the Java AJP connector and mod_jk load balancing are used, allows remote attackers to cause…","details":"Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18, when the Java AJP connector and mod_jk load balancing are used, allows remote attackers to cause a denial of service (application outage) via a crafted request with invalid headers, related to temporary blocking of connectors that have encountered errors, as demonstrated by an error involving a malformed HTTP Host header.","published":"2009-06-05T16:00:00.187","modified":"2026-06-16T23:04:07.803","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"http://jvn.jp/en/jp/JVN87272440/index.html"},{"type":"WEB","url":"http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html"},{"type":"WEB","url":"http://marc.info/?l=bugtraq&m=127420533226623&w=2"},{"type":"WEB","url":"http://marc.info/?l=bugtraq&m=129070310906557&w=2"},{"type":"WEB","url":"http://marc.info/?l=bugtraq&m=133469267822771&w=2"},{"type":"WEB","url":"http://marc.info/?l=bugtraq&m=136485229118404&w=2"},{"type":"ADVISORY","url":"http://secunia.com/advisories/35326"},{"type":"ADVISORY","url":"http://secunia.com/advisories/35344"},{"type":"WEB","url":"http://secunia.com/advisories/35685"},{"type":"WEB","url":"http://secunia.com/advisories/35788"},{"type":"WEB","url":"http://secunia.com/advisories/37460"},{"type":"WEB","url":"http://secunia.com/advisories/42368"},{"type":"WEB","url":"http://securitytracker.com/id?1022331"},{"type":"WEB","url":"http://sunsolve.sun.com/search/document.do?assetkey=1-26-263529-1"},{"type":"WEB","url":"http://support.apple.com/kb/HT4077"},{"type":"FIX","url":"http://svn.apache.org/viewvc?rev=742915&view=rev"},{"type":"FIX","url":"http://svn.apache.org/viewvc?rev=781362&view=rev"},{"type":"FIX","url":"http://tomcat.apache.org/security-4.html"},{"type":"FIX","url":"http://tomcat.apache.org/security-5.html"},{"type":"FIX","url":"http://tomcat.apache.org/security-6.html"},{"type":"WEB","url":"http://www.debian.org/security/2011/dsa-2207"},{"type":"WEB","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:136"},{"type":"WEB","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:138"},{"type":"WEB","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:176"},{"type":"WEB","url":"http://www.securityfocus.com/archive/1/504044/100/0/threaded"},{"type":"WEB","url":"http://www.securityfocus.com/archive/1/507985/100/0/threaded"},{"type":"FIX","url":"http://www.securityfocus.com/bid/35193"},{"type":"WEB","url":"http://www.vmware.com/security/advisories/VMSA-2009-0016.html"},{"type":"FIX","url":"http://www.vupen.com/english/advisories/2009/1496"},{"type":"WEB","url":"http://www.vupen.com/english/advisories/2009/1856"},{"type":"WEB","url":"http://www.vupen.com/english/advisories/2009/3316"},{"type":"WEB","url":"http://www.vupen.com/english/advisories/2010/3056"},{"type":"WEB","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/50928"},{"type":"WEB","url":"https://lists.apache.org/thread.html/06cfb634bc7bf37af7d8f760f118018746ad8efbd519c4b789ac9c2e%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/8dcaf7c3894d66cb717646ea1504ea6e300021c85bb4e677dc16b1aa%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r3aacc40356defc3f248aa504b1e48e819dd0471a0a83349080c6bcbf%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r584a714f141eff7b1c358d4679288177bd4ca4558e9999d15867d4b5%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10231"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19110"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5739"},{"type":"WEB","url":"https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01156.html"},{"type":"WEB","url":"https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01216.html"},{"type":"WEB","url":"https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01246.html"},{"type":"WEB","url":"http://jvn.jp/en/jp/JVN87272440/index.html"},{"type":"WEB","url":"http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html"},{"type":"WEB","url":"http://marc.info/?l=bugtraq&m=127420533226623&w=2"},{"type":"WEB","url":"http://marc.info/?l=bugtraq&m=129070310906557&w=2"},{"type":"WEB","url":"http://marc.info/?l=bugtraq&m=133469267822771&w=2"},{"type":"WEB","url":"http://marc.info/?l=bugtraq&m=136485229118404&w=2"},{"type":"ADVISORY","url":"http://secunia.com/advisories/35326"},{"type":"ADVISOR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(EPSS)"],"lastVerified":"2026-06-16T23:04:07.803"}}