PT-2026-36779 · Osrg · Gobgp

Sunxj · Published 2026-05-04 · Updated 2026-05-04 · CVE-2026-7736

NVD

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

A vulnerability was determined in osrg GoBGP up to 4.3.0. Affected by this vulnerability is the function parseRibEntry of the file pkg/packet/mrt/mrt.go. Executing a manipulation can lead to integer underflow. It is possible to launch the attack remotely. Upgrading to version 4.4.0 addresses this issue. This patch is called 76d911046344a3923cbe573364197aa081944592. It is suggested to upgrade the affected component.

Fix

Integer Underflow

Weakness Enumeration

CWE-189

CWE-191

Related Identifiers

CVE-2026-7736

Affected Products

Gobgp

References · 7

• https://github.com/osrg/gobgp/releases/tag/v4.4.0 · Patch
• https://github.com/osrg/gobgp/commit/76d911046344a3923cbe573364197aa081944592 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-7736 · Security Note
• https://vuldb.com/vuln/360911 · Note
• https://vuldb.com/vuln/360911/cti · Note
• https://github.com/osrg/gobgp · Note
• https://vuldb.com/submit/807604 · Note