CVE-2025-43972

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
mitreCNA
6.8 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
VendorProductVersion
osrggobgp
𝑥
< 3.35.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gobgp
bullseye
postponed
bookworm
vulnerable
sid
3.36.0-2
fixed
trixie
3.36.0-2
fixed
Common Weakness Enumeration
References
https://github.com/osrg/gobgp/commit/ca7383f450f7b296c5389feceef2467de5ab6e5a
https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0