Back to CVE records
High 7.5Published May 4, 2026
CVE-2026-37461An 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.
Updated under an hour ago ()
Does this affect you?
It affects osrg gobgp. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
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.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-125
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
osrg gobgp osrg:gobgp | 4.3.0 | NVD |
References
- https://github.com/osrg/gobgp/blob/v4.3.0/pkg/packet/bgp/bgp.goproduct
- https://github.com/osrg/gobgp/commit/362cce3e325f56e7a4f792ccb9689b3bdda9e682patch
- https://github.com/osrg/gobgp/commit/9ce8936672ebc07df524da77fa4c6ae26d92be6dpatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.