High [CVE-2026-44893] Denial of Service via malformed HAProxy message
This high-severity Red Hat Linux advisory covers CVE-2026-44893 affecting Red Hat Build of Apache Camel 3.33 for Quarkus 3.33.2.SP1, Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16, Red Hat build of Quarkus 3.27.4.SP1.
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Summary
Denial of Service via malformed HAProxy message. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-805. Affected package(s): netty-codec-haproxy.
Resolved in Red Hat advisory RHSA-2026:26586 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Build of Apache Camel 3.33 for Quarkus 3.33.2.SP1; Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16; Red Hat build of Quarkus 3.27.4.SP1; Red Hat build of Quarkus 3.33.2.SP1; and 20 more.
- netty-codec-haproxy
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
- RHSA-2026:26586
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:26586 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
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