Moderate severityNVD Advisory· Published Apr 8, 2011· Updated Apr 29, 2026
CVE-2011-1475
CVE-2011-1475
Description
The HTTP BIO connector in Apache Tomcat 7.0.x before 7.0.12 does not properly handle HTTP pipelining, which allows remote attackers to read responses intended for other clients in opportunistic circumstances by examining the application data in HTTP packets, related to "a mix-up of responses for requests from different users."
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.tomcat:tomcatMaven | >= 7.0.0, < 7.0.12 | 7.0.12 |
Affected products
14cpe:2.3:a:apache:tomcat:7.0.0:*:*:*:*:*:*:*+ 12 more
- cpe:2.3:a:apache:tomcat:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.0:beta:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:7.0.9:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
Generated on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
19- svn.apache.org/viewvcnvdPatchWEB
- svn.apache.org/viewvcnvdPatchWEB
- tomcat.apache.org/security-7.htmlnvdVendor AdvisoryWEB
- github.com/advisories/GHSA-h6c8-rg87-f3pcghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2011-1475ghsaADVISORY
- seclists.org/fulldisclosure/2011/Apr/97nvdWEB
- exchange.xforce.ibmcloud.com/vulnerabilities/66676nvdWEB
- github.com/apache/tomcat/commit/d2e8f2ede7dea39f75f68384f331f38f094e4ed3ghsaWEB
- github.com/apache/tomcat/commit/fd8a579e0e2379a84826b11700adf396e4ed2041ghsaWEB
- issues.apache.org/bugzilla/show_bug.cginvdWEB
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12374nvdWEB
- web.archive.org/web/20120605200856/http://www.securityfocus.com/bid/47199ghsaWEB
- web.archive.org/web/20170202012852/http://www.securityfocus.com/archive/1/517363ghsaWEB
- web.archive.org/web/20170317142459/http://www.securitytracker.com/idghsaWEB
- securityreason.com/securityalert/8188nvd
- www.securityfocus.com/archive/1/517363nvd
- www.securityfocus.com/bid/47199nvd
- www.securitytracker.com/idnvd
- www.vupen.com/english/advisories/2011/0894nvd
News mentions
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