CVE-2022-41719
Panic in github.com/shamaton/msgpack/v2
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
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 High
CVSS: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 High
CVSS: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 High
CVSS: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 High
CVSS: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 High
CVSS: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 High
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
github.com/shamaton/msgpack/v2Go |
before 2.1.1 | 2.1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE 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
github.com/shamaton/msgpack/issues/31
github.com/shamaton/msgpack/pull/32
pkg.go.dev/vuln/GO-2022-0972
nvd.nist.gov/vuln/detail/CVE-2022-41719
github.com/shamaton/msgpack/releases/tag/v2.1.1
github.com/advisories/GHSA-jr77-8gx4-h5qh
pkg.go.dev
github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41719.json
github.com/shamaton/msgpack