Msgpack5 is a compact serialization library used to encode and decode data structures, with vulnerabilities clustered in its core product around improper handling of dynamically determined object attributes and prototype pollution. These weakness classes reflect the risks inherent to a JavaScript-focused deserialization tool where untrusted input can modify object properties and inheritance chains. Live severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Msgpack5 Project over time
Signals from CVEs in this vendor scope (1 CVEs).
1 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2021-21368HIGH msgpack5 is a msgpack v5 implementation for node.js and the browser. In msgpack5 before versions 3.6.1, 4.5.1, and 5.2.1 there is a "Prototype Poisoning" vulnerability. When msgpac | Mar 12, 2021 | 8.8 | 26 | NO | NO |
Signals from CVEs in this vendor scope (1 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Msgpack5 Project.
Media articles that mention a CVE ID that affects a product developed by Msgpack5 Project — matched by CVE ID, not by vendor name.