CVE-2016-6817 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Software Foundation Apache Tomcat

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-835 — Infinite Loop9 documents8 sources
Severity
7.5HIGHNVD
EPSS
0.8%
top 26.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apache Software Foundation Apache TomcatApache Tomcat
Timeline
PublishedAug 10
Latest updateMay 14

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDapache/tomcat8 versions+7
▶CVEListV5apache_software_foundation/apache_tomcat8.5.0 to 8.5.6, 9.0.0.M1 to 9.0.0.M11+1

🔴Vulnerability Details

3
OSV
Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat↗2022-05-14
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GHSA
Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat↗2022-05-14
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CVEList
CVE-2016-6817: The HTTP/2 header parser in Apache Tomcat 9↗2017-08-10
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📋Vendor Advisories

3
Red Hat
tomcat: Infinite loop in HTTP/2 header parser↗2016-11-22
▶
Debian
CVE-2016-6817: tomcat9 - The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5...↗2016
▶
Apache
Apache tomcat: CVE-2016-6817↗
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💬Community

2
Bugzilla
CVE-2016-6817 tomcat: Infinite loop in HTTP/2 header parser↗2016-11-22
▶
Bugzilla
CVE-2016-6816 CVE-2016-6817 CVE-2016-8735 tomcat: various flaws [fedora-all]↗2016-11-22
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CVE-2016-6817 — HIGH severity | cvebase