FRRouting FRR 10.0/10.6 BGP rfapi_rib.c rfapiRibBi2Ri denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 6.19- |
Summary
A vulnerability has been found in FRRouting FRR 10.0/10.6 and classified as problematic. The impacted element is the function rfapiRibBi2Ri of the file rfapi_rib.c of the component BGP Handler. Performing a manipulation results in denial of service.
This vulnerability was named CVE-2026-37460. The attack may be initiated remotely. There is no available exploit.
Applying a patch is the recommended action to fix this issue.
Details
A vulnerability was found in FRRouting FRR 10.0/10.6. It has been classified as problematic. This affects the function rfapiRibBi2Ri of the file rfapi_rib.c of the component BGP Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:
Missing input validation in the rfapiRibBi2Ri() function (rfapi_rib.c) of 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.
The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-37460 since 04/06/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-34083). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
License
Website
- Product: https://github.com/FRRouting/frr/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: github.com
Timeline
04/06/2026 CVE reserved06/03/2026 Advisory disclosed
06/03/2026 VulDB entry created
06/03/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2026-37460 (🔒)
GCVE (CVE): GCVE-0-2026-37460
GCVE (VulDB): GCVE-100-368133
EUVD: 🔒
Entry
Created: 06/03/2026 16:38Updated: 06/03/2026 18:12
Changes: 06/03/2026 16:38 (58), 06/03/2026 18:12 (2)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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