CVE-2016-6817

high Apache
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.8%
Exploitation probability in 30 days
Top 27% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: August 10, 2017 (3199 days ago)
Last Modified: May 13, 2026
Vendor: Apache
Source: NVD

Description

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

CWE-119

Affected Products

apache tomcat

References

🔗 www.securityfocus.com 🔗 www.securitytracker.com 🔗 lists.apache.org 🔗 lists.apache.org 🔗 lists.apache.org