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{"bugzilla": {"description": "frr: denial of service via crafted FlowSpec component", "id": "2464548", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464548"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in FRRouting (FRR). A remote attacker can exploit an off-by-one out-of-bounds write vulnerability in the `bgp_flowspec_op_decode()` function by supplying a specially crafted FlowSpec component. This issue can lead to a Denial of Service (DoS)."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2026-37457", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "frr", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "frr", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "frr", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "frr10", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-37457\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-37457\nhttps://github.com/FRRouting/frr/commit/0e6882bc72c0278988a47b2f0f73b7a91099a25c"], "statement": "This vulnerability allows an unauthenticated remote attacker to cause a denial of service via a specially crafted FlowSpec component. Due to this reason, this issue has been rated with an important severity.", "threat_severity": "Important"}

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