CVE-2016-6817

tomcat: Infinite loop in HTTP/2 header parser

Published Aug 10, 2017 CVSS 3.1 · 7.5 High EPSS 7.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-2759 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.
Github GHSA Github GHSA GHSA-698c-2x4j-g9gq Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Oct 15, 2024, 7:01 PM
Reserved
Aug 12, 2016, 12:00 AM
Status
Modified
Published
Aug 10, 2017, 10:29 PM
Modified
Jun 17, 2026, 12:51 AM
Severity
Important
Public date
Nov 22, 2016, 12:00 AM