Access of Uninitialized Pointer Affecting crossbeam-epoch package, versions >=0.9.0 <0.9.20


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

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 IDSNYK-RUST-CROSSBEAMEPOCH-17874447
  • published7 Jul 2026
  • disclosed6 Jul 2026
  • creditUnknown

Introduced: 6 Jul 2026

New CVE NOT AVAILABLE CWE-824  (opens in a new tab)

How to fix?

Upgrade crossbeam-epoch to version 0.9.20 or higher.

Overview

Affected versions of this package are vulnerable to Access of Uninitialized Pointer in the fmt::Display implementation for Atomic and Shared when the underlying pointer is invalid, such as when created with Atomic::null or Shared::null. An attacker can cause a crash or potentially execute arbitrary code by triggering a dereference of an invalid pointer during formatting operations.

CVSS Base Scores

version 4.0
version 3.1