{"id":"CVE-2019-10072","details":"The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOW_UPDATE messages for the connection window (stream 0) clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.","aliases":["GHSA-q4hg-rmq2-52q9"],"modified":"2026-04-16T04:38:45.171506769Z","published":"2019-06-21T18:15:09.513Z","related":["SUSE-SU-2019:1866-1","SUSE-SU-2020:0029-1","SUSE-SU-2020:0226-1","SUSE-SU-2020:0632-1","openSUSE-SU-2020:0038-1","openSUSE-SU-2024:11468-1","openSUSE-SU-2024:13441-1"],"references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/108874"},{"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/raba0fabaf4d56d4325ab2aca8814f0b30a237ab83d8106b115ee279a%40%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://support.f5.com/csp/article/K17321505"},{"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://usn.ubuntu.com/4128-2/"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2020.html"},{"type":"WEB","url":"https://usn.ubuntu.com/4128-1/"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujan2020.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuoct2020.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00013.html"},{"type":"WEB","url":"https://lists.apache.org/thread.html/df1a2c1b87c8a6c500ecdbbaf134c7f1491c8d79d98b48c6b9f0fa6a%40%3Cannounce.tomcat.apache.org%3E"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4680"},{"type":"ADVISORY","url":"https://www.synology.com/security/advisory/Synology_SA_19_29"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3931"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190625-0002/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:3929"},{"type":"ADVISORY","url":"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"e37b977db6f47e4380ad67114a49e8568951c953"},{"last_affected":"5ec070352b283535946327b44228b610a27a76c5"},{"introduced":"3c78e95e36268dfb76db1570f0cf49104fa6eabc"},{"last_affected":"854f4dcf435a6d335576aa22402e2871c66f4fd9"},{"introduced":"0"},{"last_affected":"29b07def810d335012e738b22ab44d4e232b50d1"},{"introduced":"0"},{"last_affected":"10e04de1946981261a734507f4a6d953e2a206fe"},{"introduced":"0"},{"last_affected":"65ddc3a3872ea41ca67fec7b6834c704b6893361"},{"introduced":"0"},{"last_affected":"b5a74e3c7913c560648f0ffedfbbb3ebe4318def"},{"introduced":"0"},{"last_affected":"de128d72af746184e035ff1b53629f08cb141a04"},{"introduced":"0"},{"last_affected":"aac670afe1226e10513021100fce8a12344743c6"},{"introduced":"0"},{"last_affected":"c2c8107f0cea4755497a85990807b883b66f6b57"},{"introduced":"0"},{"last_affected":"8c48678b110f3fbbe66f6dde0e45d2578fa92c29"},{"introduced":"0"},{"last_affected":"9c5edb840d9413c1408e7c191bc0e1bbfcd9e07f"},{"introduced":"0"},{"last_affected":"59e713216cf2256aacc54f6ba627865f356f9e4e"},{"introduced":"0"},{"last_affected":"7dc5e29fe49850102261badf158752d6865311e4"},{"introduced":"0"},{"last_affected":"18b014d8691909be6153ae7db022a6c35f9c93ea"},{"introduced":"0"},{"last_affected":"600dc8ba5d9be7599d29bff83c342213d93b034e"},{"introduced":"0"},{"last_affected":"3bd48aab236e5bf0ed1644e9f0c588fd20e503ab"},{"introduced":"0"},{"last_affected":"642d3dd4d50ea1f03f9827962e4fc982a123bb78"},{"introduced":"0"},{"last_affected":"24566c02fb917a6ca1b6479a60971b0d8acd895c"},{"introduced":"0"},{"last_affected":"cac0e029dcced854eeca7444710e78e412dc2c2a"},{"introduced":"0"},{"last_affected":"c5efed313de1a181f4f9f98f5023117f3b911257"},{"introduced":"0"},{"last_affected":"ab04166fac59fcf9b3be3aab1c8b896842782d4c"},{"introduced":"0"},{"last_affected":"35071e7e52f296b9187b054b0efd74121b7db3bd"},{"introduced":"0"},{"last_affected":"d1dc05e934e089ea8907998cf850760017a0ed82"},{"introduced":"0"},{"last_affected":"fd7f13635e6855f6ba3fead0bf37ba2fbf8b68cf"},{"introduced":"0"},{"last_affected":"c7b84102600d600bcc527560d9c4d10c3fd440ab"},{"introduced":"0"},{"last_affected":"d8ebf61e51b4455e3c226751e492a533f9002d48"},{"introduced":"0"},{"last_affected":"aba238718ac9b149d25feaa9a14ecad3b0e3a5e2"},{"introduced":"0"},{"last_affected":"fe854ab1f111396458d98fa2ab08c693ce9407e1"},{"introduced":"0"},{"last_affected":"45f8fd74cdb96490fab8709263a4d862f0d429cf"}],"database_specific":{"versions":[{"introduced":"8.5.0"},{"last_affected":"8.5.40"},{"introduced":"9.0.1"},{"last_affected":"9.0.19"},{"introduced":"0"},{"last_affected":"9.0.0-milestone1"},{"introduced":"0"},{"last_affected":"9.0.0-milestone10"},{"introduced":"0"},{"last_affected":"9.0.0-milesto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