CVE-2026-37457

HIGH 7.5

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	n/a
Product	n/a
Published	May 1, 2026
Last Updated	Jul 15, 2026

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Affected Versions

n/a / n/a

n/a

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/FRRouting/frr/commit/0e6882bc72c0278988a47b2f0f73b7a91099a25c access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-37457 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2464548 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-37457.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:24347 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:24340 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:24371 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:24370