CVE-2016-9589
Red Hat Wildfly DoS
7.5
HIGH
CVSS 3.1
EPSS 2.2%
Description
Undertow in Red Hat wildfly before version 11.0.0.Beta1 is vulnerable to a resource exhaustion resulting in a denial of service. Undertow keeps a cache of seen HTTP headers in persistent connections. It was found that this cache can easily exploited to fill memory with garbage, up to "max-headers" (default 200) * "max-header-size" (default 1MB) per active TCP connection.
How to fix CVE-2016-9589
To remediate CVE-2016-9589, upgrade the affected package to a fixed version below.
- —upgrade to 11.0.0.Beta1 or later
Is CVE-2016-9589 being exploited?
Low — EPSS is 2.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 11.0.0.Beta1
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 |