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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-93564

Io.netty/netty-codec-haproxy: netty: haproxy proxy-v2 nested-tlv grandchild bytebuf reference-count leak (incomplete fix of pr #16881)

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Status
Published
Published
Updated
Assigning organization
redhat

Description

A flaw was found in Netty. A reference-count leak in the HAProxy PROXY-v2 message decoder allows a remote, unauthenticated attacker to send specially crafted PROXY-protocol v2 headers. This can lead to memory exhaustion, resulting in a Denial of Service (DoS) for the affected system.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat Build of Apache Camel 3.33.3.SP2

Default version status: affected

  • 4.1.138.Final-redhat-00001 to < *unaffected

Red Hat Red Hat Build of Debezium 3.6

Default version status: unaffected

Red Hat Red Hat build of Quarkus 3.27.5.SP2

Default version status: unaffected

Red Hat Red Hat build of Quarkus 3.33.3.SP2

Default version status: unaffected

Red Hat Red Hat AMQ Broker 7

Default version status: affected

Red Hat Red Hat build of Apache Camel 4 for Quarkus 3

Default version status: affected

Red Hat Red Hat build of Apache Camel for Spring Boot 4

Default version status: affected

Red Hat Red Hat build of Apicurio Registry 3

Default version status: affected

Red Hat Red Hat Build of Keycloak

Default version status: affected

Red Hat Red Hat Fuse 7

Default version status: affected

Red Hat Red Hat JBoss Enterprise Application Platform 7

Default version status: affected

Red Hat Red Hat Single Sign-On 7

Default version status: affected

References