CVE-2026-107296

msgpack5 is a msgpack v5 implementation for node.js and the browser. Prior to 6.1.0, decoding a negative signed 64-bit integer modifies the corresponding bytes in the caller-provided input buffer while computing the value. Applications that retain or reuse encoded input for integrity checks,...

CVE-2026-107296

The msgpack5 library, a msgpack v5 implementation for Node.js and the browser , contains a vulnerability in versions prior to 6.1.0 . When decoding a negative signed 64-bit integer , the library modifies the corresponding bytes in the caller-provided input buffer during value computation. This ca...