Race Condition Affecting anyio package, versions [,4.4.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

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  • Snyk ID SNYK-PYTHON-ANYIO-7361842
  • published 24 Jun 2024
  • disclosed 1 Jun 2024
  • credit Daniel Robbins

Introduced: 1 Jun 2024

CVE NOT AVAILABLE CWE-362 Open this link in a new tab

How to fix?

Upgrade anyio to version 4.4.0 or higher.

Overview

anyio is a High level compatibility layer for multiple asynchronous event loop implementations

Affected versions of this package are vulnerable to Race Condition in _eventloop.get_asynclib() that cause crashes when multiple event loops of the same backend are running in separate threads and simultaneously attempting to use AnyIO for the first time.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
8.3 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    Low
  • Integrity (VI)
    None
  • Availability (VA)
    High
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None