CVE-2026-37459
- State
- Published
- Severity
- 7.5 High
- Published
- May 4, 2026
- Updated
- Jul 15, 2026
- Reserved
- Apr 6, 2026
Description
An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.
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
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://github.com/FRRouting/frr/commit/693a2e02687cdc9d16501275e05136edea9650d9
- https://access.redhat.com/security/cve/CVE-2026-37459vdb-entry
- RHBZ#2466513issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-37459.json
- https://access.redhat.com/errata/RHSA-2026:24347vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:24370vendor-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.