Out-of-Bounds Affecting conquer-once package, versions <0.3.2


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (23rd percentile)

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  • Snyk IDSNYK-RUST-CONQUERONCE-1245060
  • published13 Apr 2021
  • disclosed22 Dec 2020
  • creditSSLab@Gatech

Introduced: 22 Dec 2020

CVE-2020-36208  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade conquer-once to version 0.3.2 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds. Affected versions of implement Sync for its OnceCell type without restricting it to Sendable types. This allows non-Send but Sync types such as MutexGuard to be sent across threads leading to undefined behavior and memory corruption in concurrent programs.

CVSS Scores

version 3.1