CVE-2026-37459

HIGH 7.5

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	n/a
Product	n/a
Published	May 4, 2026
Last Updated	Jul 15, 2026

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Affected Versions

n/a / n/a

n/a

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/FRRouting/frr/commit/693a2e02687cdc9d16501275e05136edea9650d9 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-37459 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2466513 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-37459.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:24347 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:24370