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CVE-2026-5122

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CVE-2026-5122

Published: Mar 30, 2026

Modified: Mar 30, 2026

PUBLISHED

CVSS v3.1

3.7

LOW

Description

A security flaw has been discovered in osrg GoBGP up to 4.3.0. This affects the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP OPEN Message Handler. Performing a manipulation of the argument domainNameLen results in improper access controls. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The patch is named 2b09db390a3d455808363c53e409afe6b1b86d2d. It is suggested to install a patch to address this issue.

VendorProductVersions

osrg

GoBGP

affected
4.0
affected
4.1
affected
4.2
affected
4.3.0

Weaknesses (CWE)

CWE-284
CWE-266

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

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