How severe is CVE-2026-37460?

CVE-2026-37460 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-37460 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-37460?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-37460 have an EU (EUVD) identifier?

Yes. CVE-2026-37460 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34083.

When was CVE-2026-37460 published?

CVE-2026-37460 was published on 2026-06-03 and last updated on 2026-06-17.

CVE-2026-37460

CVE-2026-37460 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34083
Weakness: CWE-20
Published: 2026-06-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-37460?: 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.
How severe is CVE-2026-37460?: CVE-2026-37460 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-37460 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-37460?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-37460 have an EU (EUVD) identifier?: Yes. CVE-2026-37460 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34083.
When was CVE-2026-37460 published?: CVE-2026-37460 was published on 2026-06-03 and last updated on 2026-06-17.

References

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