Denial of Service (DoS) Affecting msgpackr package, versions <1.10.1


Severity

0.0
medium
0
10

    Threat Intelligence

    EPSS
    0.04% (14th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-JS-MSGPACKR-6140431
  • published 29 Dec 2023
  • disclosed 28 Dec 2023
  • credit o5k

How to fix?

Upgrade msgpackr to version 1.10.1 or higher.

Overview

msgpackr is an Ultra-fast MessagePack implementation with extensions for records and structured cloning

Affected versions of this package are vulnerable to Denial of Service (DoS) via crafted MessagePack messages. A user can trigger stuck threads by crafting messages that keep the decoder stuck in a loop.

References

CVSS Scores

version 3.1
Expand this section

Snyk

5.9 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

NVD

6.5 medium