7.5

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

Modified
AliasesGHSA-jr77-8gx4-h5qhGO-2022-0972
Published 10-11-2022Last modified 30-04-2025

Vulnerability summary

CVE-2022-41719 is a high (CVSS 7.5) vulnerability in github.com/shamaton/msgpack/v2. EPSS estimates a 1.13% chance of exploitation in the next 30 days, higher than 66.3% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (GitHub, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.13%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Timeline

  1. 10-11-2022
    PublishedVulnerability first disclosed.
  2. 30-04-2025
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.13%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 1.11% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Msgpack

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Github.com/shamaton/msgpack1 product
  • v2< 2.1.1
Github.com/shamaton/msgpack/v21 product
Messagepack_project1 product

3 vendors · 3 products

References

6 links