High7.5Red Hat & Ubuntu Linux
denial of service via crafted FlowSpec component
CVE-2026-37457 Published May 1, 2026
CVE-2026-37457
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
denial of service via crafted FlowSpec component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. Affected package(s): frr, frr10. Resolved in Red Hat advisory RHSA-2026:24340 — update the affected packages (`sudo dnf update`).
Affected versions
- frr-0:8.5.3-13.el9_8
- frr10-0:10.4.3-3.el9_8
- frr-0:7.5.1-24.el8_10
- frr-0:10.4.4-1.el10_2
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
Fixed versions
- RHSA-2026:24340
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:24340 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 7 hours ago·verify at source
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