{"id":"CVE-2017-5647","title":"A bug in the handling of the pipelined requests in Apache Tomcat 9.0.0.M1 to 9.0.0.M18, 8.5.0 to 8.5.12, 8.0.0.RC1 to 8.0.42, 7.0.0 to 7.0.76, and 6.0.0 to 6.0.52, when send file was used, results in the pipelined request being lost when…","summary":"A bug in the handling of the pipelined requests in Apache Tomcat 9.0.0.M1 to 9.0.0.M18, 8.5.0 to 8.5.12, 8.0.0.RC1 to 8.0.42, 7.0.0 to 7.0.76, and 6.0.0 to 6.0.52, when send file was used, results in the pipelined request being lost when…","severity":"none","vendor":"Apache Software Foundation","product":"Apache Tomcat","affected":["apache_tomcat 9.0.0.M1 to 9.0.0.M18","apache_tomcat 8.5.0 to 8.5.12","apache_tomcat 8.0.0.RC1 to 8.0.42","apache_tomcat 7.0.0 to 7.0.76","apache_tomcat 6.0.0 to 6.0.52"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-02T17:27:23.258212Z"},"published":"2017-04-17","updated":"2026-11-02","sourceUpdated":"2026-11-02T17:27:36.591Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2017-5647","references":[{"url":"https://security.gentoo.org/glsa/201705-09","label":"GLSA-201705-09"},{"url":"https://security.netapp.com/advisory/ntap-20180614-0001/"},{"url":"https://access.redhat.com/errata/RHSA-2017:3080","label":"RHSA-2017:3080"},{"url":"https://access.redhat.com/errata/RHSA-2017:1801","label":"RHSA-2017:1801"},{"url":"http://www.debian.org/security/2017/dsa-3843","label":"DSA-3843"},{"url":"http://www.arubanetworks.com/assets/alert/HPESBHF03730.txt"},{"url":"https://access.redhat.com/errata/RHSA-2017:2494","label":"RHSA-2017:2494"},{"url":"https://lists.apache.org/thread.html/5796678c5a773c6f3ff57c178ac247d85ceca0dee9190ba48171451a%40%3Cusers.tomcat.apache.org%3E","label":"[users] 20170410 [SECURITY] CVE-2017-5647 Apache Tomcat Information Disclosure"},{"url":"http://www.securitytracker.com/id/1038218","label":"1038218"},{"url":"http://www.debian.org/security/2017/dsa-3842","label":"DSA-3842"},{"url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03730en_us"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html"},{"url":"https://access.redhat.com/errata/RHSA-2017:1802","label":"RHSA-2017:1802"},{"url":"https://access.redhat.com/errata/RHSA-2017:2493","label":"RHSA-2017:2493"},{"url":"https://access.redhat.com/errata/RHSA-2017:3081","label":"RHSA-2017:3081"},{"url":"https://lists.apache.org/thread.html/eb6efa8d59c45a7a9eff94c4b925467d3b3fec8ba7697f3daa314b04%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190319 svn commit: r1855831 [24/30] - in /tomcat/site/trunk: ./ docs/ xdocs/"},{"url":"https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190319 svn commit: r1855831 [25/30] - in /tomcat/site/trunk: ./ docs/ xdocs/"},{"url":"https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190319 svn commit: r1855831 [23/30] - in /tomcat/site/trunk: ./ docs/ xdocs/"},{"url":"https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190325 svn commit: r1856174 [22/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/"},{"url":"https://lists.apache.org/thread.html/5c0e00fd31efc11e147bf99d0f03c00a734447d3b131ab0818644cdb%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190325 svn commit: r1856174 [23/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/"},{"url":"https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190325 svn commit: r1856174 [24/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/"},{"url":"https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190325 svn commit: r1856174 [21/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/"},{"url":"https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190413 svn commit: r1857494 [17/20] - in /tomcat/site/trunk: ./ docs/ xdocs/"},{"url":"https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190413 svn commit: r1857494 [16/20] - in /tomcat/site/trunk: ./ docs/ xdocs/"},{"url":"https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190413 svn commit: r1857494 [15/20] - in /tomcat/site/trunk: ./ docs/ xdocs/"},{"url":"https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190415 svn commit: r1857582 [17/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/"},{"url":"https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190415 svn commit: r1857582 [19/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/"},{"url":"https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20190415 svn commit: r1857582 [16/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/"},{"url":"https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html"},{"url":"https://lists.apache.org/thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20200203 svn commit: r1873527 [25/30] - /tomcat/site/trunk/docs/"},{"url":"https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20200203 svn commit: r1873527 [23/30] - /tomcat/site/trunk/docs/"},{"url":"https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20200213 svn commit: r1873980 [27/34] - /tomcat/site/trunk/docs/"},{"url":"https://lists.apache.org/thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20200213 svn commit: r1873980 [29/34] - /tomcat/site/trunk/docs/"},{"url":"https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E","label":"[tomcat-dev] 20200213 svn commit: r1873980 [26/34] - /tomcat/site/trunk/docs/"}],"tags":["cve.org"],"epss":0.1684,"epssPercentile":0.97054,"ingestedAt":"2026-11-05T19:30:42.728Z","slug":"CVE-2017-5647","body":"## Overview\n\nA bug in the handling of the pipelined requests in Apache Tomcat 9.0.0.M1 to 9.0.0.M18, 8.5.0 to 8.5.12, 8.0.0.RC1 to 8.0.42, 7.0.0 to 7.0.76, and 6.0.0 to 6.0.52, when send file was used, results in the pipelined request being lost when send file processing of the previous request completed. This could result in responses appearing to be sent for the wrong request. For example, a user agent that sent requests A, B and C could see the correct response for request A, the response for request C for request B and no response for request C.\n\n## Affected\n\n- `apache_tomcat 9.0.0.M1 to 9.0.0.M18`\n- `apache_tomcat 8.5.0 to 8.5.12`\n- `apache_tomcat 8.0.0.RC1 to 8.0.42`\n- `apache_tomcat 7.0.0 to 7.0.76`\n- `apache_tomcat 6.0.0 to 6.0.52`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":6,"depthScoreParts":{"impact":2.8,"likelihood":3.4,"exploitation":0,"ransomware":0},"changes":[]}