CVEvulnerability
CVE-2026-37457
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-05-01
- Last modified
- 2026-07-15
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-787
Description
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.
Affected configurations
• frrouting frrouting 10.0
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://github.com/FRRouting/frr/commit/0e6882bc72c0278988a47b2f0f73b7a91099a25c Patch
- https://access.redhat.com/errata/RHSA-2026:24340 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:24347 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:24370 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:24371 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-37457 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2464548 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-37457.json security.access.redhat.com