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MEDIUM · 4.3

CVE-2025-43970

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).

Vulnerability 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).

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
OsrgGobgp< 3.35.0

Related Weaknesses (CWE)

CWE-1284

References

FAQ

What is CVE-2025-43970?

CVE-2025-43970 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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).

How severe is CVE-2025-43970?

CVE-2025-43970 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-43970?

Check the references section above for vendor advisories and patch information. Affected products include: Osrg Gobgp.