USN-8376-1 frr vulnerabilities

It was discovered that FRR incorrectly handled certain OSPF Traffic Engineering and Segment Routing TLVs. An attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. CVE-2026-28532 It was discovered that FRR incorrectly handled certain BGP FlowSpec component...

USN-8348-1: GoBGP vulnerabilities

It was discovered that GoBGP incorrectly handled certain specially crafted BGP UPDATE messages. A remote attacker could possibly use this issue to cause GoBGP to crash, resulting in a denial of service. CVE-2026-37461 Yanlei Wang discovered that GoBGP incorrectly handled certain malformed BGP...

EUVD-2026-34083

Missing input validation in the rfapiRibBi2Ri function rfapirib.c of FRRouting FRR stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service DoS via supplying a crafted BGP UPDATE message...

CVE-2026-37462

An integer underflow in the BGPUpdate.DecodeFromBytes 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-2026-37462

An integer underflow in the BGPUpdate.DecodeFromBytes 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...

PT-2026-45955

An integer underflow in the BGPUpdate.DecodeFromBytes 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...

EUVD-2026-34101

An integer underflow in the BGPUpdate.DecodeFromBytes 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-2026-37460

Missing input validation in the rfapiRibBi2Ri function rfapirib.c of FRRouting FRR stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service DoS via supplying a crafted BGP UPDATE message...

CVE-2026-37460

FRRouting (FRR) FRR stable/10.0 through stable/10.6 is affected by a vulnerability in the rfapiRibBi2Ri() function (rfapi_rib.c) where missing input validation can be abused to trigger a Denial of Service via a crafted BGP UPDATE message. The issue is rooted in input validation while processing B...

PT-2026-45939

Missing input validation in the rfapiRibBi2Ri function rfapi rib.c of FRRouting FRR stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service DoS via supplying a crafted BGP UPDATE message...

CVE-2026-49943

CZ.NIC BIRD Internet Routing Daemon through 2.19.0 contains a stack-based buffer overflow in the BGP ASPATH mask matching implementation in nest/a-path.c. The aspathmatch function uses a fixed-size stack array of 2048 + 1 pmpos entries, while parsepath expands ASPATH segments from a received BGP...

CVE-2026-49943

CZ.NIC BIRD Internet Routing Daemon through 2.19.0 contains a stack-based buffer overflow in the BGP ASPATH mask matching implementation in nest/a-path.c. The aspathmatch function uses a fixed-size stack array of 2048 + 1 pmpos entries, while parsepath expands ASPATH segments from a received BGP...

Cisco Nexus 3000 and 9000 Series Switches BGP DoS (cisco-sa-bgp-iefab-3hb2pwtx)

According to its self-reported version, Cisco NX-OS Software is affected by a 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...

CVE-2026-48688

A flaw was found in FastNetMon Community Edition. Multiple out-of-bounds read vulnerabilities exist within the BGP MPREACHNLRI IPv6 attribute decoder. A remote attacker could exploit these flaws by sending specially crafted BGP messages, which could lead to information disclosure or a denial of...

Linux Distros Unpatched Vulnerability : CVE-2026-48691

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FastNetMon Community Edition through 1.2.9 contains an integer overflow in the BGP ASPATH attribute encoder. In src/bgpprotocol.hpp, the...

Linux Distros Unpatched Vulnerability : CVE-2026-48685

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FastNetMon Community Edition through 1.2.9 has out-of-bounds memory access because it incorrectly parses BGP path attributes with the extended length flag set. ...

CVE-2026-48685

FastNetMon Community Edition through 1.2.9 has out-of-bounds memory access because it incorrectly parses BGP path attributes with the extended length flag set. In src/bgpprotocol.hpp, the parserawbgpattribute function correctly identifies when extendedlengthbit is set and sets lengthoflengthfield...

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 ...

DEBIAN-CVE-2026-48688

FastNetMon Community Edition through 1.2.9 contains multiple out-of-bounds reads in the BGP MPREACHNLRI IPv6 attribute decoder. The function decodempreachipv6 in src/bgpprotocol.cpp contains a TODO comment at line 156 explicitly acknowledging 'we should add sanity checks to avoid reads after...

DEBIAN-CVE-2026-48685

FastNetMon Community Edition through 1.2.9 has out-of-bounds memory access because it incorrectly parses BGP path attributes with the extended length flag set. In src/bgpprotocol.hpp, the parserawbgpattribute function correctly identifies when extendedlengthbit is set and sets lengthoflengthfield...