High severity · published Nov 10, 2022
CVE-2022-41719
Panic in github.com/shamaton/msgpack/v2
7.5
CVSS
1.1%
EPSS
No
On KEV
Description
Unmarshal can panic on some inputs, possibly allowing for denial of service attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
github.com/shamaton/msgpack/v2 · github.com/shamaton/msgpack/v2
before 2.1.1 · source: vendor
ME
Messagepack · Messagepack Project
before 2.1.1 · source: NVD
Affected product
GI
github.com/shamaton/msgpack/v2
github.com/shamaton/msgpack/v2
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-41719
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-41719
Exploit
https://github.com/shamaton/msgpack/issues/31
Patch
https://github.com/shamaton/msgpack/pull/32
Third Party Advisory
https://pkg.go.dev/vuln/GO-2022-0972
More from github.com/shamaton/msgpack/v2
7.5
CVE-2026-32284
Denial of service in github.com/shamaton/msgpack
