CVE-2026-48686

FastNetMon Community Edition through 1.2.9 contains a stack-based buffer overflow in the BGP NLRI Network Layer Reachability Information decoder. The function decodebgpsubnetencodingipv4raw in src/bgpprotocol.cpp reads prefixbitlength directly from the BGP packet line 99 without validating it is ...

PT-2026-43273

Name of the Vulnerable Software and Affected Versions FastNetMon Community Edition versions prior to 1.2.10 Description A stack-based buffer overflow exists in the BGP NLRI Network Layer Reachability Information decoder. The function decode bgp subnet encoding ipv4 raw in src/bgp protocol.cpp rea...

quagga: Fix of CVE-2018-5380

CVE-2018-5380: fix BGP NOTIFY debug-print msg array over-read...

CVE-2026-20171

A vulnerability in the Border Gateway Protocol BGP enforce-first-as feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, remote attacker to trigger BGP peer flaps, resulting in a denial of service DoS condition...

EUVD-2026-31135

A vulnerability in the Border Gateway Protocol BGP enforce-first-as feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, remote attacker to trigger BGP peer flaps, resulting in a denial of service DoS condition...

CVE-2026-20171

CVE-2026-20171 affects Cisco Nexus 3000 and Nexus 9000 Series switches in standalone NX-OS mode. The vulnerability lies in the BGP enforce-first-as feature, due to incorrect parsing of a transitive BGP attribute. An unauthenticated, remote attacker could send a crafted BGP update to trigger BGP p...

CVE-2026-20171

A vulnerability in the Border Gateway Protocol BGP enforce-first-as feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, remote attacker to trigger BGP peer flaps, resulting in a denial of service DoS condition...

CVE-2026-20171 Cisco Nexus 3000 and 9000 Series Border Gateway Protocol Denial of Service Vulnerability

A vulnerability in the Border Gateway Protocol BGP enforce-first-as feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, remote attacker to trigger BGP peer flaps, resulting in a denial of service DoS condition...

CVE-2026-20171 Cisco Nexus 3000 and 9000 Series Border Gateway Protocol Denial of Service Vulnerability

A vulnerability in the Border Gateway Protocol BGP enforce-first-as feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, remote attacker to trigger BGP peer flaps, resulting in a denial of service DoS condition...

Cisco Nexus 3000 and 9000 Series Switches Border Gateway Protocol Denial of Service Vulnerability

A vulnerability in the Border Gateway Protocol BGP enforce-first-as feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, remote attacker to trigger BGP peer flaps, resulting in a denial of service DoS condition...

PT-2026-42190

Name of the Vulnerable Software and Affected Versions Cisco Nexus 3000 Series Switches versions prior to 10.61s Cisco Nexus 9000 Series Switches versions prior to 10.61s Description A flaw in the Border Gateway Protocol BGP enforce-first-as feature of Cisco Nexus 3000 and 9000 Series Switches in...

CLSA-2026-1778881024 quagga: Fix of CVE-2018-5380

CVE-2018-5380: fix BGP NOTIFY debug-print msg array over-read...

CVE-2026-37459

A flaw was found in FRRouting FRR. An unauthenticated remote attacker can exploit an integer underflow vulnerability by supplying a specially crafted BGP Border Gateway Protocol UPDATE message. This issue can lead to a Denial of Service DoS. Mitigation Red Hat has investigated whether a possible...

quagga: Fix of CVE-2018-5381

CVE-2018-5381: bgpd capability parser can enter an infinite loop on invalid OPEN messages whose Multi-Protocol capability has an unrecognized AFI/SAFI, causing a denial of service...

CLSA-2026-1778170790 quagga: Fix of CVE-2018-5381

CVE-2018-5381: bgpd capability parser can enter an infinite loop on invalid OPEN messages whose Multi-Protocol capability has an unrecognized AFI/SAFI, causing a denial of service...

Linux Distros Unpatched Vulnerability : CVE-2026-41643

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

DEBIAN-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-2026-41643

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...

UBUNTU-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-2026-41643

GoBGP vulnerability CVE-2026-41643: a remote DoS (panic) in UpdatePathAttrs4ByteAs when processing BGP UPDATE messages containing both AS_PATH and AS4_PATH. The bug occurs in GoBGP v4.2.0 and earlier due to an index handling error that can trigger a runtime panic (index out of range) when the AS4...