Vulnerability in Red Hat Amq Broker 7
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (60.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.009 · change: +0.004
Affected products
- Red Hat Amq Broker 7
- Red Hat Build Of Apache Camel 4 For Quarkus 3
- Red Hat Build Of Apache Camel For Spring Boot 4
- Red Hat Build Of Apicurio Registry 3
- Red Hat Build Of Debezium 3
- Red Hat Build Of Keycloak
- Red Hat Build Of Quarkus
- Red Hat Fuse 7
- Red Hat Jboss Enterprise Application Platform 7
- Red Hat Single Sign-On 7
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2026-93564 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
- access.redhat.com/errata/RHSA-2026:69470 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:69440 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:70257 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:83612 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-93564?
- CVE-2026-93564 is a high-severity vulnerability in Red Hat Amq Broker 7, classified under CWE-1035. CVSS score: 7.5/10. Published 2026-09-18.
- How severe is CVE-2026-93564?
- High severity. CVSS v3 base score is 7.5 out of 10.