msgpack5: Partial options disable prototype protection
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| mcollina | msgpack5 | affected |
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| Mcollina | Msgpack5 |
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Github GHSA |
GHSA-8hq7-ggx2-cc6m | msgpack5: Partial options disable prototype protection |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.366% probability within 30 days)
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| Metrics |
ssvc
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| First Time appeared |
Mcollina
Mcollina msgpack5 |
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| Vendors & Products |
Mcollina
Mcollina msgpack5 |
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| Description | msgpack5 is a msgpack v5 implementation for node.js and the browser. Prior to 6.1.0, constructing msgpack5 with an empty or partial options object disables the default protoAction: 'error' protection. A decoded map containing a __proto__ key can then replace the decoded object's prototype, potentially changing inherited properties or downstream behavior, although Object.prototype is not modified globally. This issue is fixed in version 6.1.0. | |
| Title | msgpack5: Partial options disable prototype protection | |
| Weaknesses | CWE-1321 | |
| References |
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| Metrics |
cvssV3_1
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