High [CVE-2026-73507] Denial of Service via CPU Exhaustion in XmlFrameDecoder
This high-severity Red Hat Linux advisory covers CVE-2026-73507 affecting Red Hat build of Apache Camel for Spring Boot 4, Red Hat JBoss Enterprise Application Platform 7, Red Hat Single Sign-On 7.
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Summary
Netty is an asynchronous, event-driven network application framework. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.xml.
XmlFrameDecoder.decode() failed to preserve closing-tag parser state across invocations, so an unauthenticated remote attacker could trickle-feed repeated
Affected products named by the advisory: Red Hat build of Apache Camel for Spring Boot 4; Red Hat JBoss Enterprise Application Platform 7; Red Hat Single Sign-On 7.
- < 4.1.136.Final
- < 4.2.16.Final
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
- 4.1.136
- 4.2.16
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation
Upgrade to a fixed release: 4.1.136, 4.2.16. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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