EUVD-2026-26703CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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6DescriptionNVD
An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.
AnalysisAI
Remote denial of service in FRRouting stable/10.0 allows unauthenticated attackers to crash the BGP daemon via malformed FlowSpec NLRI messages. The off-by-one vulnerability in bgp_flowspec_op_decode() enables out-of-bounds writes when parsing crafted BGP FlowSpec components, causing process termination. …
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RemediationAI
Within 24 hours: Identify all FRRouting stable/10.0 deployments and document current versions in use. Within 7 days: Implement network segmentation to restrict BGP peer connections to known trusted sources only; deploy packet inspection rules to reject malformed FlowSpec NLRI messages at network boundary. …
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