What’s Vulnerable › Vulnerabilities

CVE-2022-41719: Panic in github.com/shamaton/msgpack/v2

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-11-10 · updated 2026-06-17

Description

Unmarshal can panic on some inputs, possibly allowing for denial of service attacks.

Affected products

• Messagepack Project Messagepack: before 2.1.1 — fixed in 2.1.1

How to fix

Upgrade to a fixed version: Messagepack Project Messagepack 2.1.1. Check the vendor advisory for mitigations.

References

• https://github.com/shamaton/msgpack/issues/31
• https://github.com/shamaton/msgpack/pull/32
• https://pkg.go.dev/vuln/GO-2022-0972
• https://github.com/shamaton/msgpack/issues/31
• https://github.com/shamaton/msgpack/pull/32
• https://pkg.go.dev/vuln/GO-2022-0972

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