What’s Vulnerable › Vulnerabilities

CVE-2025-43970

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-21 · updated 2026-06-17
• Weakness: CWE-1284

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 products

• osrg GoBGP: before 3.35.0 — fixed in 3.35.0

How to fix

Upgrade to a fixed version: osrg GoBGP 3.35.0. Check the vendor advisory for mitigations.

References

• https://github.com/osrg/gobgp/commit/5153bafbe8dbe1a2f02a70bbf0365e98b80e47b0
• https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0

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