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CVE PROGRAM SOURCE RECORD6.3 Medium

CVE-2026-5122

osrg GoBGP BGP OPEN Message bgp.go DecodeFromBytes access control

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Status
Published
Published
Updated
Assigning organization
VulDB

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

osrg GoBGP

  • 4.0affected
  • 4.1affected
  • 4.2affected
  • 4.3.0affected

References