CVE-2025-59530

Panic occurs when queuing undecryptable packets after handshake completion in github.com/quic-go/quic-go

Description

Panic occurs when queuing undecryptable packets after handshake completion in github.com/quic-go/quic-go

Patch Available

Fix available through Seal Security.  
No upgrade required, protect your application instantly.

Fix without upgrading

Score

7.5

Severity

High

Ecosystem

GO

Publish Date

November 5, 2025

Modified Date

February 3, 2026

Score Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Versions