Moderate severityNVD Advisory· Published Jun 5, 2009· Updated Apr 23, 2026
CVE-2009-0033
CVE-2009-0033
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.tomcat:tomcatMaven | >= 4.1.0, <= 4.1.39 | — |
org.apache.tomcat:tomcatMaven | >= 5.5.0, <= 5.5.27 | — |
org.apache.tomcat:tomcatMaven | >= 6.0.0, <= 6.0.18 | — |
Affected products
87cpe:2.3:a:apache:tomcat:4.1.0:*:*:*:*:*:*:*+ 86 more
- cpe:2.3:a:apache:tomcat:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.10:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.11:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.12:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.13:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.14:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.15:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.16:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.17:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.18:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.19:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.20:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.21:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.22:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.23:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.24:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.25:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.26:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.27:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.28:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.29:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.30:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.31:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.32:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.33:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.34:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.35:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.36:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.37:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.38:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.39:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.3:beta:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.9:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:4.1.9:beta:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.10:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.11:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.12:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.13:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.14:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.15:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.16:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.17:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.18:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.19:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.20:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.21:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.22:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.23:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.24:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.25:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.26:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.27:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:5.5.9:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.9:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
56- svn.apache.org/viewvcnvdPatchVendor AdvisoryWEB
- svn.apache.org/viewvcnvdPatchVendor AdvisoryWEB
- tomcat.apache.org/security-4.htmlnvdPatchVendor AdvisoryWEB
- tomcat.apache.org/security-5.htmlnvdPatchVendor AdvisoryWEB
- tomcat.apache.org/security-6.htmlnvdPatchVendor AdvisoryWEB
- www.securityfocus.com/bid/35193nvdPatchWEB
- www.vupen.com/english/advisories/2009/1496nvdPatchVendor Advisory
- secunia.com/advisories/35326nvdVendor Advisory
- secunia.com/advisories/35344nvdVendor Advisory
- github.com/advisories/GHSA-5cw4-ggx9-36vgghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2009-0033ghsaADVISORY
- jvn.jp/en/jp/JVN87272440/index.htmlnvdWEB
- lists.apple.com/archives/security-announce/2010//Mar/msg00001.htmlnvdWEB
- lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlnvdWEB
- marc.infonvdWEB
- marc.infonvdWEB
- marc.infonvdWEB
- marc.infonvdWEB
- securitytracker.com/idnvdWEB
- sunsolve.sun.com/search/document.donvdWEB
- support.apple.com/kb/HT4077nvdWEB
- www.debian.org/security/2011/dsa-2207nvdWEB
- www.mandriva.com/security/advisoriesnvdWEB
- www.mandriva.com/security/advisoriesnvdWEB
- www.mandriva.com/security/advisoriesnvdWEB
- www.securityfocus.com/archive/1/504044/100/0/threadednvdWEB
- www.securityfocus.com/archive/1/507985/100/0/threadednvdWEB
- www.vmware.com/security/advisories/VMSA-2009-0016.htmlnvdWEB
- exchange.xforce.ibmcloud.com/vulnerabilities/50928nvdWEB
- lists.apache.org/thread.html/06cfb634bc7bf37af7d8f760f118018746ad8efbd519c4b789ac9c2e%40%3Cdev.tomcat.apache.org%3EnvdWEB
- lists.apache.org/thread.html/06cfb634bc7bf37af7d8f760f118018746ad8efbd519c4b789ac9c2e@%3Cdev.tomcat.apache.org%3EghsaWEB
- lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3EnvdWEB
- lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5@%3Cdev.tomcat.apache.org%3EghsaWEB
- lists.apache.org/thread.html/8dcaf7c3894d66cb717646ea1504ea6e300021c85bb4e677dc16b1aa%40%3Cdev.tomcat.apache.org%3EnvdWEB
- lists.apache.org/thread.html/8dcaf7c3894d66cb717646ea1504ea6e300021c85bb4e677dc16b1aa@%3Cdev.tomcat.apache.org%3EghsaWEB
- lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3EnvdWEB
- lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74@%3Cdev.tomcat.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r3aacc40356defc3f248aa504b1e48e819dd0471a0a83349080c6bcbf%40%3Cdev.tomcat.apache.org%3EnvdWEB
- lists.apache.org/thread.html/r3aacc40356defc3f248aa504b1e48e819dd0471a0a83349080c6bcbf@%3Cdev.tomcat.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r584a714f141eff7b1c358d4679288177bd4ca4558e9999d15867d4b5%40%3Cdev.tomcat.apache.org%3EnvdWEB
- lists.apache.org/thread.html/r584a714f141eff7b1c358d4679288177bd4ca4558e9999d15867d4b5@%3Cdev.tomcat.apache.org%3EghsaWEB
- lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3EnvdWEB
- lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3@%3Cdev.tomcat.apache.org%3EghsaWEB
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10231nvdWEB
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19110nvdWEB
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5739nvdWEB
- www.redhat.com/archives/fedora-package-announce/2009-November/msg01156.htmlnvdWEB
- www.redhat.com/archives/fedora-package-announce/2009-November/msg01216.htmlnvdWEB
- www.redhat.com/archives/fedora-package-announce/2009-November/msg01246.htmlnvdWEB
- secunia.com/advisories/35685nvd
- secunia.com/advisories/35788nvd
- secunia.com/advisories/37460nvd
- secunia.com/advisories/42368nvd
- www.vupen.com/english/advisories/2009/1856nvd
- www.vupen.com/english/advisories/2009/3316nvd
- www.vupen.com/english/advisories/2010/3056nvd
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