Vulnerability · Published Apr 21, 2025 · Assigned by mitre
CVE-2025-43970
Medium 4.3
In plain English
A medium-severity security flaw in GoBGP from GoBGP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 62.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An issue was discovered in GoBGP before 3.35.0. pkg/packet/mrt/mrt.go does not properly check the input length, e.g., by ensuring that there are 12 bytes or 36 bytes (depending on the address family).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | gobgp | no fix listed | DEBIAN-CVE-2025-43970 |
| Debian:13 | gobgp | 3.35.0-1 | DEBIAN-CVE-2025-43970 |
| Debian:14 | gobgp | 3.35.0-1 | DEBIAN-CVE-2025-43970 |
| Go | github.com/osrg/gobgp | no fix listed | GO-2025-3630 |
| Go | github.com/osrg/gobgp | no fix listed | GHSA-hqhq-hp5x-xp3w |
| Go | github.com/osrg/gobgp/v3 | 3.35.0 | GO-2025-3630 |
| Go | github.com/osrg/gobgp/v3 | 3.35.0 | GHSA-hqhq-hp5x-xp3w |
Affected products (as reported)
Weakness: CWE-1284 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L