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Vulnerability record · CVE-2026-7736 · published 4 May 2026

CVE-2026-7736: Osrg gobgp vulnerability

Osrg · Gobgp

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.

6.9 CVSS 4.0 Medium EPSS 0.63% · top 52.0% CWE-189 · CWE-189CWE-191 · CWE-191
6.9CVSS 4.0 base score, v2 7.5
0.63%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/osrg/gobgp/ Product
https://github.com/osrg/gobgp/commit/76d911046344a3923cbe573364197aa081944592 Patch
https://github.com/osrg/gobgp/releases/tag/v4.4.0 PatchProduct
https://vuldb.com/submit/807604 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/360911 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/360911/cti Permissions RequiredVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-7736), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.