CVE-2021-3690 Information

Description

A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability.

Reference

https://issues.redhat.com/browse/UNDERTOW-1935 https://bugzilla.redhat.com/show_bug.cgi?id=1991299 https://access.redhat.com/security/cve/CVE-2021-3690 https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877