CVE-2026-93564
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.
- Score
- CVSS 3.1 7.5 High
- Status
- Awaiting Analysis - secalert@redhat.com
- Published
- 2026-09-18
- Last modified
- 2026-10-15
- Weaknesses
- CWE-1035
Affected products
- Amq Broker (Redhat)
- Apache Camel Quarkus (Redhat)
- Apicurio Registry (Redhat)
- Build Keycloak (Redhat)
- Camel Quarkus (Redhat)
- Camel Spring Boot (Redhat)
- Debezium (Redhat)
- Jboss Enterprise Application Platform (Redhat)
- Jboss Fuse (Redhat)
- Quarkus (Redhat)
- Red Hat Single Sign On (Redhat)
References
- https://access.redhat.com/errata/RHSA-2026:69440
- https://access.redhat.com/errata/RHSA-2026:69470
- https://access.redhat.com/errata/RHSA-2026:70257
- https://access.redhat.com/errata/RHSA-2026:83612
- https://access.redhat.com/security/cve/CVE-2026-93564
- https://bugzilla.redhat.com/show_bug.cgi?id=2536953
