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.
History

Mon, 04 May 2026 11:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 04 May 2026 06:45:00 +0000

Type Values Removed Values Added
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.
Title osrg GoBGP mrt.go parseRibEntry integer underflow
First Time appeared Osrg
Osrg gobgp
Weaknesses CWE-189
CWE-191
CPEs cpe:2.3:a:osrg:gobgp:*:*:*:*:*:*:*:*
Vendors & Products Osrg
Osrg gobgp
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C'}

cvssV4_0

{'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/E:X'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-05-04T05:30:16.444Z

Updated: 2026-05-04T10:37:55.302Z

Reserved: 2026-05-03T16:16:30.716Z

Link: CVE-2026-7736

cve-icon Vulnrichment

Updated: 2026-05-04T10:37:51.922Z

cve-icon NVD

Status : Received

Published: 2026-05-04T07:16:01.517

Modified: 2026-05-04T07:16:01.517

Link: CVE-2026-7736

cve-icon Redhat

No data.