CVE-2016-6817
Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat
7.5
HIGH
CVSS 3.1
EPSS 0.76%
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.
How to fix CVE-2016-6817
To remediate CVE-2016-6817, upgrade the affected package to a fixed version below.
- —upgrade to 9.0.0.M12 or later
Is CVE-2016-6817 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 9.0.0.M1, < 9.0.0.M12
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |