7.5Hoch
CVE-2026-93564Io.netty/netty-codec-haproxy: netty: haproxy proxy-v2 nested-tlv grandchild bytebuf reference-count leak (incomplete fix of pr #16881)
Beschreibung
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.
Schwachstellentyp (CWE):
CWE-1035
Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.
Betroffene Produkte und Versionen
| Hersteller | Produkt | Versionen | |
|---|---|---|---|
| build keycloak | 26.4 | — | |
| build keycloak | 26.6 | — | |
| quarkus | 3.27 | — | |
| quarkus | 3.33 | — | |
| Red Hat | Red Hat AMQ Broker 7 | all versions | |
| Red Hat | Red Hat Build of Apache Camel 3.33.3.SP2 | all versions | |
| Red Hat | Red Hat build of Apache Camel 4 for Quarkus 3 | all versions | |
| Red Hat | Red Hat build of Apache Camel for Spring Boot 4 | all versions | |
| Red Hat | Red Hat build of Apicurio Registry 3 | all versions | |
| Red Hat | Red Hat Build of Debezium 3.6 | — | |
| Red Hat | Red Hat build of Keycloak 26.4 | all versions | |
| Red Hat | Red Hat build of Keycloak 26.4.17 | — | |
| Red Hat | Red Hat build of Keycloak 26.6 | all versions | |
| Red Hat | Red Hat build of Keycloak 26.6.8 | — | |
| Red Hat | Red Hat build of Quarkus 3.27.5.SP2 | — | |
| Red Hat | Red Hat build of Quarkus 3.33.3.SP2 | — | |
| Red Hat | Red Hat Fuse 7 | all versions | |
| Red Hat | Red Hat JBoss Enterprise Application Platform 7 | all versions | |
| Red Hat | Red Hat Single Sign-On 7 | all versions |
Referenzen und Patches
- RHSA-2026:69440 vendor-advisory
- RHSA-2026:69470 vendor-advisory
- RHSA-2026:70257 vendor-advisory
- RHSA-2026:83612 vendor-advisory
- RHSA-2026:95759 vendor-advisory
- RHSA-2026:95760 vendor-advisory
- RHSA-2026:95761 vendor-advisory
- RHSA-2026:95762 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-93564 vdb-entry
- RHBZ#2536953 issue-tracking