| Package | Affected versions | Patched versions |
|---|---|---|
| org.wildfly:wildfly-undertow | < 11.0.0.Beta1 | 11.0.0.Beta1 |
| jboss wildfly application server | = 11.0.0≤ 10.1.0 |
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.
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