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CVE-2022-41719

Panic in github.com/shamaton/msgpack/v2

7.5 HighFix available

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.13%Up 0.2 points since Nov 11, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

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

Record
CVE-2022-41719
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
CVE List 7.5

Panic in github.com/shamaton/msgpack/v2

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

Record
CVE-2022-41719
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
EUVDEUVD-2022-7376 7.5

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

Record
EUVD-2022-7376
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-jr77-8gx4-h5qh 7.5

MessagePack for Golang subject to DoS via Unmarshal panic

Unmarshal can panic on some inputs, possibly allowing for denial of service attacks. This issue has been patched in version 2.1.1.

Record
GHSA-jr77-8gx4-h5qh
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
OSV 7.5

Panic in github.com/shamaton/msgpack/v2

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

Record
CVE-2022-41719
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVGHSA-jr77-8gx4-h5qh 7.5

MessagePack for Golang subject to DoS via Unmarshal panic

Unmarshal can panic on some inputs, possibly allowing for denial of service attacks. This issue has been patched in version 2.1.1.

Record
GHSA-jr77-8gx4-h5qh
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
OSVGO-2022-0972 No score

Panic in github.com/shamaton/msgpack/v2

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

Record
GO-2022-0972
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/shamaton/msgpack/v2
Go
before 2.1.1
2.1.1

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-41719 is a high vulnerability (CVSS 7.5) in Github.com/shamaton/msgpack/v2, published November 10, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.13%, the 66th percentile. Fixed in github.com/shamaton/msgpack/v2 2.1.1.

References

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