PatchSiren

msgpack CVE debriefs

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HIGH msgpack CVE published 2026-06-30

CVE-2026-57585

CVE-2026-57585 involves an out-of-bounds read/crash on Unpacker reuse after a caught error in MessagePack for Python, a popular serialization library. This issue can potentially lead to a Denial of Service (DoS) attack. The vulnerability has been fixed in MessagePack version 1.2.1. Organizations should prioritize patching this vulnerability, especially in environments where reliability and availability ar [truncated]