{"id":"CVE-2018-8037","details":"If an async request was completed by the application at the same time as the container triggered the async timeout, a race condition existed that could result in a user seeing a response intended for a different user. An additional issue was present in the NIO and NIO2 connectors that did not correctly track the closure of the connection when an async request was completed by the application and timed out by the container at the same time. This could also result in a user seeing a response intended for another user. Versions Affected: Apache Tomcat 9.0.0.M9 to 9.0.9 and 8.5.5 to 8.5.31.","aliases":["GHSA-6v52-mj5r-7j2m"],"modified":"2026-04-11T18:11:03.394688Z","published":"2018-08-02T14:29:00.363Z","related":["ALSA-2019:1529","SUSE-SU-2018:2699-1","SUSE-SU-2018:3011-1","SUSE-SU-2018:3388-1","openSUSE-SU-2024:11468-1","openSUSE-SU-2024:13441-1"],"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/1dd0a59c1295cc08ce4c9e7edae5ad2268acc9ba55adcefa0532e5ba%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/2ee3af8a43cb019e7898c9330cc8e73306553a27f2e4735dfb522d39%40%3Cusers.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/5c0e00fd31efc11e147bf99d0f03c00a734447d3b131ab0818644cdb%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/5d15316dfb4adf75d96d394745f8037533fa3bcc1ac8f619bf5c044c%40%3Cusers.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/e85e83e9954f169bbb77b44baae5a33d8de878df557bb32b7f793661%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/eb6efa8d59c45a7a9eff94c4b925467d3b3fec8ba7697f3daa314b04%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r6ccee4e849bc77df0840c7f853f6bd09d426f6741247da2b7429d5d9%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/raba0fabaf4d56d4325ab2aca8814f0b30a237ab83d8106b115ee279a%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2020.html"},{"type":"ADVISORY","url":"http://mail-archives.us.apache.org/mod_mbox/www-announce/201807.mbox/%3C20180722090623.GA92700%40minotaur.apache.org%3E"},{"type":"ADVISORY","url":"http://mail-archives.us.apache.org/mod_mbox/www-announce/201808.mbox/%3C0c616b4d-4e81-e7f8-b81d-1bb4c575aa33%40apache.org%3E"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/104894"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1041376"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:2867"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:2868"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1529"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20180817-0001/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4281"},{"type":"ADVISORY","url":"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"},{"type":"FIX","url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"c6a2c4ed296c7f8839b72e8e31cb53b84102d02c"},{"last_affected":"18fac60288f15ded6a738066d230cdb6423a5b25"},{"introduced":"3c78e95e36268dfb76db1570f0cf49104fa6eabc"},{"last_affected":"5eda69269ed3267d9757c0e2efbb86ef8fa8bca9"},{"introduced":"0"},{"last_affected":"16bf392c67833ad549733b58c350ff92b5ee782a"},{"last_affected":"10e04de1946981261a734507f4a6d953e2a206fe"},{"last_affected":"65ddc3a3872ea41ca67fec7b6834c704b6893361"},{"last_affected":"b5a74e3c7913c560648f0ffedfbbb3ebe4318def"},{"last_affected":"de128d72af746184e035ff1b53629f08cb141a04"},{"last_affected":"aac670afe1226e10513021100fce8a12344743c6"},{"last_affected":"c2c8107f0cea4755497a85990807b883b66f6b57"},{"last_affected":"8c48678b110f3fbbe66f6dde0e45d2578fa92c29"},{"last_affected":"9c5edb840d9413c1408e7c191bc0e1bbfcd9e07f"},{"last_affected":"59e713216cf2256aacc54f6ba627865f356f9e4e"},{"last_affected":"7dc5e29fe49850102261badf158752d6865311e4"},{"last_affected":"600dc8ba5d9be7599d29bff83c342213d93b034e"},{"last_affected":"3bd48aab236e5bf0ed1644e9f0c588fd20e503ab"},{"last_affected":"642d3dd4d50ea1f03f9827962e4fc982a123bb78"},{"last_affected":"24566c02fb917a6ca1b6479a60971b0d8acd895c"},{"last_affected":"cac0e029dcced854eeca7444710e78e412dc2c2a"},{"last_affected":"c5efed313de1a181f4f9f98f5023117f3b911257"},{"last_affected":"ab04166fac59fcf9b3be3aab1c8b896842782d4c"},{"last_affected":"35071e7e52f296b9187b054b0efd74121b7db3bd"},{"last_affected":"45f8fd74cdb96490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