PT-2026-25770 · Gobgp · Gobgp

Bacon251 · Published 2026-01-01 · Updated 2026-04-07 · CVE-2026-30405

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions GoBGP versions 4.2.0

Description An issue allows a remote attacker to cause a denial of service via the NEXT HOP path attribute. The issue resides in the handling of the NEXT HOP path attribute within the GoBGP software.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2026-30405

GHSA-4P9M-8GC4-RW2H

GO-2026-4736

Affected Products

Gobgp

References · 13

• https://github.com/osrg/gobgp/issues/3305 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-30405 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-30405 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-30405 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-30405 · Security Note
• https://osv.dev/vulnerability/GHSA-4p9m-8gc4-rw2h · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-30405 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2026-4736 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-30405 · Vendor Advisory
• https://github.com/osrg/gobgp · Note
• https://github.com/osrg/gobgp/commit/583080a7258e22cc884162e15b078771aa2c2c80 · Note
• https://github.com/osrg/gobgp/commit/f12b8fbb84f9e1a58dca932ccf0b005039f3cfb5 · Note
• https://github.com/advisories/GHSA-4p9m-8gc4-rw2h · Note