What is CVE-2026-37461?

CVE-2026-37461 is a high-severity vulnerability in Osrg Gobgp, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-05-04.

How severe is CVE-2026-37461?

High severity. CVSS v3 base score is 7.5 out of 10.

Out-of-bounds Read in Osrg Gobgp

CVE-2026-37461

An out-of-bounds read in the ParseIP6Extended function (/bgp/bgp.go) of gobgp v4.3.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.

Vulnerability class: Buffer Overflow

EPSS: 0.000 (15.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Osrg Gobgp — versions 4.3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cve@mitre.org (Product)
cve@mitre.org (Patch)
cve@mitre.org (Patch)

Frequently asked questions

What is CVE-2026-37461?: CVE-2026-37461 is a high-severity vulnerability in Osrg Gobgp, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-05-04.
How severe is CVE-2026-37461?: High severity. CVSS v3 base score is 7.5 out of 10.