CVE-2026-37457

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:frrouting:frrouting:10.0:-:*:*:*:*:*:*

History

No history.

Information

Published : 2026-05-01 18:16

Updated : 2026-07-15 02:20

NVD link : CVE-2026-37457

Mitre link : CVE-2026-37457

CVE.ORG link : CVE-2026-37457

JSON object : View

Products Affected

frrouting

frrouting

CWE

CWE-787

Out-of-bounds Write

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