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CVE-2016-9589

UnknownEPSS 3.13%

Last modified

CVE-2016-9589 is a vulnerability of currently unknown severity. 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. EPSS estimates a 3.13% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
3.13%

86.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
RedhatJboss Wildfly Application Server<= 10.1.0—
RedhatJboss Wildfly Application Server11.0.0Alpha1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-9589?
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 severe is CVE-2016-9589?
Severity scoring for CVE-2016-9589 is pending analysis. The EPSS model estimates a 3.13% probability of exploitation in the next 30 days.
How do I fix CVE-2016-9589?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-9589?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST