CVE-2016-6817

The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.

• CWE-119
• CWE-835

• http://www.securityfocus.com/bid/94462Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1037330Third Party Advisory, VDB Entry
• https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a%40%3Cannounce.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E
• https://security.netapp.com/advisory/ntap-20180607-0001/
• http://www.securityfocus.com/bid/94462Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1037330Third Party Advisory, VDB Entry
• https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a%40%3Cannounce.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E
• https://security.netapp.com/advisory/ntap-20180607-0001/

Published

Aug 10, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2016-6811In Apache Hadoop 2.x before 2.7.4, a user who can escalate t…
• CVE-2016-6812The HTTP transport module in Apache CXF prior to 3.0.12 and …
• CVE-2016-6813Apache CloudStack 4.1 to 4.8.1.0 and 4.9.0.0 contain an API …9.8
• CVE-2016-6814When an application with unsupported Codehaus versions of Gr…
• CVE-2016-6815In Apache Ranger before 0.6.2, users with "keyadmin" role sh…
• CVE-2016-6816The code in Apache Tomcat 9.0.0.M1 to 9.0.0.M11, 8.5.0 to 8.…
• CVE-2016-6818SQL injection vulnerability in SAP Business Intelligence pla…
• CVE-2016-6820MetroCluster Tiebreaker for clustered Data ONTAP in versions…
• CVE-2016-6823Integer overflow in the BMP coder in ImageMagick before 7.0.…7.5
• CVE-2016-6824Huawei AC6003, AC6005, AC6605, and ACU2 access controllers w…
• CVE-2016-6825Huawei XH620 V3, XH622 V3, and XH628 V3 servers with softwar…
• CVE-2016-6826Huawei AnyMail before 2.6.0301.0060 allows remote attackers …