๐Ÿ›ก๏ธ CVE-2026-42285
๐ŸŸ  CVSS 8.0 โ€” High โœ… No Known Exploit CWE-476 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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 attribute lengths, it improperly handles the internal state transition to a "withdraw" action, leading to a nil pointer dereference in the AdjRib.Update function. This causes the entire GoBGP process to crash, resulting in a complete loss of service availability. This issue has been patched in version 4.5.0.

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-476
Public Exploit โœ… No
Source NVD
Published 2026-05-05
Updated 2026-06-02
Modified 2026-05-08
Fix URL N/A

Affected Packages

Software From version Fixed in
github.com/osrg/gobgp/v4 โ€” โ€”
gobgp โ€” โ€”
unknown โ€” โ€”

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