CVE-2025-29953 – Apache ActiveMQ NMS OpenWire Client: deserialization allowlist bypass

https://notcve.org/view.php?id=CVE-2025-29953

18 Apr 2025 — Deserialization of Untrusted Data vulnerability in Apache ActiveMQ NMS OpenWire Client. This issue affects Apache ActiveMQ NMS OpenWire Client before 2.1.1 when performing connections to untrusted servers. Such servers could abuse the unbounded deserialization in the client to provide malicious responses that may eventually cause arbitrary code execution on the client. Version 2.1.0 introduced a allow/denylist feature to restrict deserialization, but this feature could be bypassed. The .NET team has depreca... • https://lists.apache.org/thread/vc1sj9y3056d3kkhcvrs9fyw5w8kpmlx • CWE-502: Deserialization of Untrusted Data •