CVE-2026-7736

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 v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/osrg/gobgp/	Product
https://github.com/osrg/gobgp/commit/76d911046344a3923cbe573364197aa081944592	Patch
https://github.com/osrg/gobgp/releases/tag/v4.4.0	Patch Product
https://vuldb.com/submit/807604	Third Party Advisory VDB Entry
https://vuldb.com/vuln/360911	Third Party Advisory VDB Entry
https://vuldb.com/vuln/360911/cti	Permissions Required VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:osrg:gobgp:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-05-04 07:16

Updated : 2026-06-17 11:02

NVD link : CVE-2026-7736

Mitre link : CVE-2026-7736

CVE.ORG link : CVE-2026-7736

JSON object : View

Products Affected

osrg

gobgp

CWE

CWE-189

Numeric Errors

CWE-191

Integer Underflow (Wrap or Wraparound)

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