Description
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: 2009-06-05
Score: 5.0 Medium
EPSS: 13.8% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2207-1 tomcat5.5 security update
Github GHSA Github GHSA GHSA-5cw4-ggx9-36vg Apache Tomcat Denial of Service via Malformed Request Headers
Ubuntu USN Ubuntu USN USN-788-1 Tomcat vulnerabilities
References
Link Providers
http://jvn.jp/en/jp/JVN87272440/index.html cve-icon cve-icon
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html cve-icon cve-icon
http://marc.info/?l=bugtraq&m=127420533226623&w=2 cve-icon cve-icon
http://marc.info/?l=bugtraq&m=129070310906557&w=2 cve-icon cve-icon
http://marc.info/?l=bugtraq&m=133469267822771&w=2 cve-icon cve-icon
http://marc.info/?l=bugtraq&m=136485229118404&w=2 cve-icon cve-icon
http://secunia.com/advisories/35326 cve-icon cve-icon
http://secunia.com/advisories/35344 cve-icon cve-icon
http://secunia.com/advisories/35685 cve-icon cve-icon
http://secunia.com/advisories/35788 cve-icon cve-icon
http://secunia.com/advisories/37460 cve-icon cve-icon
http://secunia.com/advisories/42368 cve-icon cve-icon
http://securitytracker.com/id?1022331 cve-icon cve-icon
http://sunsolve.sun.com/search/document.do?assetkey=1-26-263529-1 cve-icon cve-icon
http://support.apple.com/kb/HT4077 cve-icon cve-icon
http://svn.apache.org/viewvc?rev=742915&view=rev cve-icon cve-icon
http://svn.apache.org/viewvc?rev=781362&view=rev cve-icon cve-icon
http://tomcat.apache.org/security-4.html cve-icon cve-icon
http://tomcat.apache.org/security-5.html cve-icon cve-icon
http://tomcat.apache.org/security-6.html cve-icon cve-icon
http://www.debian.org/security/2011/dsa-2207 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2009:136 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2009:138 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2010:176 cve-icon cve-icon
http://www.securityfocus.com/archive/1/504044/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/archive/1/507985/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/bid/35193 cve-icon cve-icon
http://www.vmware.com/security/advisories/VMSA-2009-0016.html cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/1496 cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/1856 cve-icon cve-icon
http://www.vupen.com/english/advisories/2009/3316 cve-icon cve-icon
http://www.vupen.com/english/advisories/2010/3056 cve-icon cve-icon
https://exchange.xforce.ibmcloud.com/vulnerabilities/50928 cve-icon cve-icon
https://lists.apache.org/thread.html/06cfb634bc7bf37af7d8f760f118018746ad8efbd519c4b789ac9c2e%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/8dcaf7c3894d66cb717646ea1504ea6e300021c85bb4e677dc16b1aa%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r3aacc40356defc3f248aa504b1e48e819dd0471a0a83349080c6bcbf%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r584a714f141eff7b1c358d4679288177bd4ca4558e9999d15867d4b5%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2009-0033 cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10231 cve-icon cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19110 cve-icon cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5739 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2009-0033 cve-icon
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01156.html cve-icon cve-icon
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01216.html cve-icon cve-icon
https://www.redhat.com/archives/fedora-package-announce/2009-November/msg01246.html cve-icon cve-icon
History

No history.

Subscriptions

Apache Tomcat
Redhat Certificate System Enterprise Linux Jboss Enterprise Web Server Network Satellite Rhel Application Server Rhel Developer Suite
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-07T04:17:10.437Z

Reserved: 2008-12-15T00:00:00.000Z

Link: CVE-2009-0033

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-06-05T16:00:00.187

Modified: 2026-04-23T00:35:47.467

Link: CVE-2009-0033

cve-icon Redhat

Severity : Important

Publid Date: 2009-06-03T00:00:00Z

Links: CVE-2009-0033 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses