CVE-2026-37459
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Red Hat Enterprise Linux 10
PublishedMay 4, 2026
First seenMay 4, 2026
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Red Hat Enterprise Linux 10 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 9 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 8 | No range specified | — |
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