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…
Exact source revision recorded 1 Nov 2026 02:10:14 UTC. It does not establish the source's current position. Latest evidence.
euvd · EUVD-2026-95107
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datePublished: Oct 8, 2026, 5:05:34 PM
dateUpdated: Oct 14, 2026, 1:01:55 AM
1 related source bulletins · separate from aliases
msrc_CVE-2026-107296: msgpack5: Decoding negative int64 values mutates the input buffer
CVE-2026-107296
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