Incorrect Privilege Assignment

Overview Affected versions of this package are vulnerable to Incorrect Privilege Assignment in the CapFQDN.DecodeFromBytes function of the BGP OPEN Message Handler. An attacker can bypass intended access controls by manipulating the domainNameLen argument remotely, potentially resulting in...

UBUNTU-CVE-2026-5124

A security vulnerability has been detected in osrg GoBGP up to 4.3.0. Affected is the function BGPHeader.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP Header Handler. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The...

CVE-2026-5123

A weakness has been identified in osrg GoBGP up to 4.3.0. This impacts the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go. Executing a manipulation of the argument data1 can lead to off-by-one. The attack may be launched remotely. Attacks of this nature are highly complex. The...

CVE-2026-5124

A security vulnerability has been detected in osrg GoBGP up to 4.3.0. Affected is the function BGPHeader.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP Header Handler. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The...

CVE-2026-5124 osrg GoBGP BGP Header bgp.go BGPHeader.DecodeFromBytes access control

A security vulnerability has been detected in osrg GoBGP up to 4.3.0. Affected is the function BGPHeader.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP Header Handler. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The...

EUVD-2026-17091

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...

UBUNTU-CVE-2026-5122

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...

CVE-2026-5123 osrg GoBGP bgp.go DecodeFromBytes off-by-one

A weakness has been identified in osrg GoBGP up to 4.3.0. This impacts the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go. Executing a manipulation of the argument data1 can lead to off-by-one. The attack may be launched remotely. Attacks of this nature are highly complex. The...

CVE-2026-5123

A weakness has been identified in osrg GoBGP up to 4.3.0. This impacts the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go. Executing a manipulation of the argument data1 can lead to off-by-one. The attack may be launched remotely. Attacks of this nature are highly complex. The...

CVE-2026-5123 osrg GoBGP bgp.go DecodeFromBytes off-by-one

A weakness has been identified in osrg GoBGP up to 4.3.0. This impacts the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go. Executing a manipulation of the argument data1 can lead to off-by-one. The attack may be launched remotely. Attacks of this nature are highly complex. The...

CVE-2026-5122

The CVE affects osrg GoBGP ≤ 4.3.0, specifically the BGP OPEN Message Handler in pkg/packet/bgp/bgp.go DecodeFromBytes. Manipulating the domainNameLen argument results in improper access controls, potentially enabling remote exploitation. The attack is described with a high complexity requirement...

PT-2026-29046

A weakness has been identified in osrg GoBGP up to 4.3.0. This impacts the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go. Executing a manipulation of the argument data1 can lead to off-by-one. The attack may be launched remotely. Attacks of this nature are highly complex. The...

PT-2026-29028

Name of the Vulnerable Software and Affected Versions osrg GoBGP versions through 4.3.0 Description A security issue exists in osrg GoBGP up to version 4.3.0. The issue resides in the DecodeFromBytes function within the pkg/packet/bgp/bgp.go file, specifically in the BGP OPEN Message Handler...

PT-2026-29060

A security vulnerability has been detected in osrg GoBGP up to 4.3.0. Affected is the function BGPHeader.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP Header Handler. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The...

Improper Validation of Specified Quantity in Input

Overview Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input in the decodeFromBytes function for MRT BGP4MPHeaders in mrt.go. A local attacker can cause unexpected behavior by sending malicious packets. Remediation Upgrade...

Off-by-one Error

Overview Affected versions of this package are vulnerable to Off-by-one Error in the DecodeFromBytes function in bgp.go. The softwareVersionLen parameter is not checked for the case where it is set to 0. As a result, an attacker can trigger a panic by sending a malicious packet with a zero value...

Off-by-one Error

Overview Affected versions of this package are vulnerable to Off-by-one Error in the DecodeFromBytes function in bgp.go. The softwareVersionLen parameter is not checked for the case where it is set to 0. As a result, an attacker can trigger a panic by sending a malicious packet with a zero value...