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...

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...

Denial Of Service (DoS)

GoBGP is vulnerable to Denial of Service DoS. The vulnerability is due to improper validation of malformed BGP UPDATE messages during processing of 4-byte AS attributes, where an internal slice index shift can trigger an index out of range panic, causing the GoBGP process to crash...

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...

CVE-2026-41643 GoBGP: Remote Denial of Service (Panic) in UpdatePathAttrs4ByteAs via Malformed BGP UPDATE

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...