CVE-2026-7736

medium

Description

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.

References

https://vuldb.com/vuln/360911/cti

https://vuldb.com/vuln/360911

https://vuldb.com/submit/807604

https://github.com/osrg/gobgp/releases/tag/v4.4.0

https://github.com/osrg/gobgp/commit/76d911046344a3923cbe573364197aa081944592

https://github.com/osrg/gobgp/

Details

Source: Mitre, NVD

Published: 2026-05-04

Updated: 2026-05-04

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 7.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Severity: High

CVSS v4

Base Score: 6.9

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00046