CVE-2026-37457
- State
- Published
- Severity
- 7.5 High
- Published
- May 1, 2026
- Updated
- Jul 15, 2026
- Reserved
- Apr 6, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | redhat-SADP |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://github.com/FRRouting/frr/commit/0e6882bc72c0278988a47b2f0f73b7a91099a25c
- https://access.redhat.com/security/cve/CVE-2026-37457vdb-entry
- RHBZ#2464548issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-37457.json
- https://access.redhat.com/errata/RHSA-2026:24347vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:24340vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:24371vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:24370vendor-advisory
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