{"cve":"CVE-2010-2227","nvd":{"published":"2010-07-13T17:30:03.750","modified":"2026-06-16T23:20:20.263","status":"Modified","description":"Apache Tomcat 5.5.0 through 5.5.29, 6.0.0 through 6.0.27, and 7.0.0 beta does not properly handle an invalid Transfer-Encoding header, which allows remote attackers to cause a denial of service (application outage) or obtain sensitive information via a crafted header that interferes with \"recycling of a buffer.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://geronimo.apache.org/21x-security-report.html","http://geronimo.apache.org/22x-security-report.html","http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html","http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050207.html","http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050214.html"],"products":["apache:tomcat"],"source":"nvd","synced_at":"2026-10-19T19:56:26.512081652+00:00"},"epss":{"cve":"CVE-2010-2227","score":0.54779,"percentile":0.99022,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-cxg2-49rq-8gcr","url":"https://osv.dev/vulnerability/GHSA-cxg2-49rq-8gcr","summary":"Apache Tomcat does not properly handle an invalid Transfer-Encoding header","modified":"2024-02-21T23:41:46.708430Z","packages":[{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","purl":"pkg:maven/org.apache.tomcat/tomcat","ranges":[">=7.0.0 <7.0.2"],"fixed":["7.0.2"]},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","purl":"pkg:maven/org.apache.tomcat/tomcat","ranges":[">=5.5.0 <5.5.30"],"fixed":["5.5.30"]},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","purl":"pkg:maven/org.apache.tomcat/tomcat","ranges":[">=6.0.0 <6.0.28"],"fixed":["6.0.28"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}