639 matches found
frr: denial of service via crafted BGP UPDATE message
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...
ALSA-2026:24347 Important: frr security update
FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. Security Fixes: frr: denial of service via crafted FlowSpec component CVE-2026-37457 frr: denial of service via crafted BGP UPDATE message...
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-2026-41642
A flaw was found in GoBGP 4.3.0. A malformed BGP UPDATE with an unrecognized Path Attribute marked as well-known is not rejected cleanly, triggering a nil pointer dereference that crashes the GoBGP daemon. Fixed in GoBGP 4.4.0. Mitigation Upgrade to GoBGP 4.4.0 or later...
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...
SUSE 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...
Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : FRR vulnerabilities (USN-8376-1)
The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8376-1 advisory. It was discovered that FRR incorrectly handled certain OSPF Traffic Engineering and Segment Routing TLVs. An attacker cou...
GHSA-PW7P-7FQV-HPJ8 GoBGP: Integer underflow in the BGPUpdate.DecodeFromBytes function
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...
Integer Underflow (Wrap or Wraparound)
Overview Affected versions of this package are vulnerable to Integer Underflow Wrap or Wraparound in the DecodeFromBytes function. An attacker can trigger a nil pointer dereference and panic by supplying a malicious BGP UPDATE message with a declared section length shorter than the actual data...
DEBIAN-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
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...
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-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...
PT-2026-45955
Name of the Vulnerable Software and Affected Versions gobgp version 4.3.0 Description An integer underflow occurs in the BGPUpdate.DecodeFromBytes function located in /bgp/bgp.go. This allows attackers to cause a Denial of Service DoS by supplying a specially 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...
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-2026-37460
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...
