CVE-2026-41642

CVE-2026-41642 – GoBGP DoS via malformed Well-known Path Attribute Affected software: GoBGP v4.3.0 (server component). Root cause: In the BGP UPDATE handling loop (recvMessageloop), a parsed but invalid path attribute (Well-known with unrecognized Type Code) is not properly halted, leading to a n...

CVE-2026-41642

GoBGP is an open source Border Gateway Protocol BGP implementation in the Go Programming Language. In version 4.3.0, a remote Denial of Service DoS vulnerability exists in GoBGP due to a nil pointer dereference. When a malformed BGP UPDATE message contains an unrecognized Path Attribute marked as...

CVE-2026-41642

GoBGP is an open source Border Gateway Protocol BGP implementation in the Go Programming Language. In version 4.3.0, a remote Denial of Service DoS vulnerability exists in GoBGP due to a nil pointer dereference. When a malformed BGP UPDATE message contains an unrecognized Path Attribute marked as...

SUSE CVE-2026-37461

An out-of-bounds read in the ParseIP6Extended function /bgp/bgp.go of gobgp v4.3.0 allows attackers to cause a Denial of Service DoS via supplying a crafted BGP UPDATE message...

CVE-2026-41643

GoBGP is an open source Border Gateway Protocol BGP implementation in the Go Programming Language. Prior to version 4.3.0, a remote Denial of Service DoS vulnerability exists in GoBGP where a malformed BGP UPDATE message can trigger a runtime error: index out of range panic. This occurs during th...

CVE-2026-41642

GoBGP is an open source Border Gateway Protocol BGP implementation in the Go Programming Language. In version 4.3.0, a remote Denial of Service DoS vulnerability exists in GoBGP due to a nil pointer dereference. When a malformed BGP UPDATE message contains an unrecognized Path Attribute marked as...

CVE-2026-42285

GoBGP is an open source Border Gateway Protocol BGP implementation in the Go Programming Language. In version 4.4.0, an unauthenticated remote BGP peer can trigger a fatal panic in GoBGP by sending a specially crafted BGP UPDATE message. When the server receives a message with inconsistent...

CVE-2026-37461

A flaw was found in gobgp. An out-of-bounds read vulnerability in the ParseIP6Extended function allows a remote attacker to cause a Denial of Service DoS by sending a specially crafted Border Gateway Protocol BGP UPDATE message. This can lead to the affected system becoming unresponsive...

Linux Distros Unpatched Vulnerability : CVE-2026-37461

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An out-of-bounds read in the ParseIP6Extended function /bgp/bgp.go of gobgp v4.3.0 allows attackers to cause a Denial of Service DoS via supplying a crafted BGP...

GHSA-P3W2-64XM-833J GoBGP has a panic in AdjRib.Update via malformed BGP Update message (Nil Pointer Dereference)

Summary Remote Denial of Service DoS via Nil Pointer Dereference in BGP Update Processing An unauthenticated remote BGP peer can trigger a fatal panic in GoBGP by sending a specially crafted BGP UPDATE message. When the server receives a message with inconsistent attribute lengths, it improperly...

GoBGP has a panic in AdjRib.Update via malformed BGP Update message (Nil Pointer Dereference)

Summary Remote Denial of Service DoS via Nil Pointer Dereference in BGP Update Processing An unauthenticated remote BGP peer can trigger a fatal panic in GoBGP by sending a specially crafted BGP UPDATE message. When the server receives a message with inconsistent attribute lengths, it improperly...

PT-2026-37259

Name of the Vulnerable Software and Affected Versions GoBGP versions prior to 4.5.0 Description An unauthenticated remote BGP peer can cause a fatal panic and complete loss of service availability by sending a specially crafted BGP UPDATE message. When the server receives a message with...

GoBGP has an out-of-bounds read in the ParseIP6Extended function

An out-of-bounds read in the ParseIP6Extended function /bgp/bgp.go of gobgp v4.3.0 allows attackers to cause a Denial of Service DoS via supplying a crafted BGP UPDATE message...

GHSA-WMVJ-F67G-QG4G GoBGP has an out-of-bounds read in the ParseIP6Extended function

An out-of-bounds read in the ParseIP6Extended function /bgp/bgp.go of gobgp v4.3.0 allows attackers to cause a Denial of Service DoS via supplying a crafted BGP UPDATE message...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read via the ParseIP6Extended function. An attacker can cause the application to crash or become unresponsive by supplying a specially crafted BGP UPDATE message. Remediation Upgrade github.com/osrg/gobgp/pkg/packet/bgp to...

DEBIAN-CVE-2026-37461

An out-of-bounds read in the ParseIP6Extended function /bgp/bgp.go of gobgp v4.3.0 allows attackers to cause a Denial of Service DoS via supplying a crafted BGP UPDATE message...

CVE-2026-37461

An out-of-bounds read in the ParseIP6Extended function /bgp/bgp.go of gobgp v4.3.0 allows attackers to cause a Denial of Service DoS via supplying a crafted BGP UPDATE message...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read in the ParseBody function of the BMP parser. An attacker can cause a denial of service by sending specially crafted BMP messages that trigger an out-of-bounds read. Remediation Upgrade...

GHSA-HJ4W-QR9J-C4CF GoBGP has an Integer Underflow Issue

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...

GHSA-W88C-9VG8-CMQ8 GoBGP has Improper Restriction of Operations within the Bounds of a Memory Buffer

A vulnerability was identified in osrg GoBGP up to 4.3.0. Affected by this issue is the function BMPPeerUpNotification.ParseBody/BMPStatisticsReport.ParseBody of the file pkg/packet/bmp/bmp.go of the component BMP Parser. The manipulation leads to out-of-bounds read. The attack can be initiated...