CVE-2025-43972
Medium
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.
SeverityMedium
CVSS6.8
Exploit probability—
ProductOsrg Gobgp
PublishedApr 21, 2025
First seenApr 21, 2025
Weakness typeCWE-1284CWE-1284
How to fix
Update
- osrg gobgp3.35.0 or later
- github.com/osrg/gobgp/v33.35.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| osrg gobgp | v < 3.35.0 | 3.35.0 |
| github.com/osrg/gobgpGo | No range specified | — |
| github.com/osrg/gobgp/v3Go | v < 3.35.0 | 3.35.0 |
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