Security Bulletin: IBM Optim 1.0.0, 1.1.0 impacted by a denial of service vulnerability in quic-go

Summary quic-go github.com/quic-go/quic-go is used by IBM Optim as part of its network transport layer, providing a Go implementation of the QUIC protocol used for high-performance HTTP/3 communication.CVE-2025-59530 — A denial of service vulnerability exists in quic-go prior to version 0.54.1. A...

CVE-2025-59530: Reachable Assertion

quic-go is an implementation of the QUIC protocol in Go. In versions prior to 0.49.0, 0.54.1, and 0.55.0, a misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an assertion failure, leading to a process crash. This requires no authenticatio...