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).

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - 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).
    (CVE-2025-43970)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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).
    (CVE-2025-43970)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7661-1 advisory.

    It was discovered that GoBGP did not properly manage memory under certain circumstances, which could lead     to a buffer overflow. An attacker could possibly use this issue to cause a denial of service. This issue     was only addressed in Ubuntu 22.04 LTS and Ubuntu 20.04 LTS. (CVE-2023-46565)

    It was discovered that GoBGP did not properly verify the length of certain inputs. An attacker could     possibly use this issue to cause a panic resulting in a denial of service. (CVE-2025-43970,     CVE-2025-43971, CVE-2025-43972, CVE-2025-43973)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
434616	SCA: security update for github.com/osrg/gobgp/v3 (GHSA-hqhq-hp5x-xp3w)	Tenable Cloud Security	SCA Checks	medium
434616	SCA: security update for github.com/osrg/gobgp/v3 (GHSA-hqhq-hp5x-xp3w)	Tenable Self-Hosted Container Security	SCA Checks	medium
248290	Linux Distros Unpatched Vulnerability : CVE-2025-43970	Nessus	Misc.	medium
242574	Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : GoBGP vulnerabilities (USN-7661-1)	Nessus	Ubuntu Local Security Checks	high

Detections

Analytics

CVE-2025-43970

medium

Tenable Plugins

medium

medium

medium

high