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CVE-2026-5122

LOW

3.7

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.

CVE Details

CVSS v3.1 Score3.7

SeverityLOW

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published3/30/2026

Last Modified4/1/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-266CWE-284

References

https://github.com/osrg/gobgp/(cna@vuldb.com)

https://github.com/osrg/gobgp/commit/2b09db390a3d455808363c53e409afe6b1b86d2d(cna@vuldb.com)

https://github.com/osrg/gobgp/pull/3343(cna@vuldb.com)

https://vuldb.com/submit/780124(cna@vuldb.com)

https://vuldb.com/vuln/354154(cna@vuldb.com)

https://vuldb.com/vuln/354154/cti(cna@vuldb.com)

IOC Correlations

No correlations recorded

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