CVE-2022-41719 : Unmarshal can panic on some inputs, possibly allowing for denial of service atta

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

Published 2022-11-10 20:15:12

Updated 2025-04-30 20:15:20

Source Go Project

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2022-41719

Messagepack Project » Messagepack » For GO
Versions before (<) 2.1.1
cpe:2.3:a:messagepack_project:messagepack:*:*:*:*:*:go:*:*
Matching versions

EPSS FAQ

0.08%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 23 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	134c704f-9b21-4f2e-91b3-4a467353bcc0	2025-04-30
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

https://github.com/shamaton/msgpack/issues/31

Many panics/crashes when fuzzing · Issue #31 · shamaton/msgpack · GitHub
Exploit;Issue Tracking;Patch;Third Party Advisory
https://github.com/shamaton/msgpack/pull/32

Return error when strange data is received by shamaton · Pull Request #32 · shamaton/msgpack · GitHub
Patch;Third Party Advisory
https://pkg.go.dev/vuln/GO-2022-0972

GO-2022-0972 - Go Packages
Third Party Advisory

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