CVE-2025-43972
GoBGP crashes in the flowspec parser in github.com/osrg/gobgp
6.8
MEDIUM
CVSS 3.1
EPSS 0.03%
Description
An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.
How to fix CVE-2025-43972
To remediate CVE-2025-43972, upgrade the affected package to a fixed version below.
- Debian/gobgp—no fix listed
- —no fix listed
- —no fix listed
- —upgrade to 3.35.0 or later
- —upgrade to 3.35.0 or later
Is CVE-2025-43972 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- from 0
- from 0
- from 0
- from 0, < 3.35.0
- from 0, < 3.35.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H |