Time-of-check Time-of-use (TOCTOU) Race Condition Affecting chromium package, versions [,153.0.8010.36)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.1% (1st percentile)

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  • Snyk IDSNYK-UNMANAGED-CHROMIUM-20250924
  • published29 Sept 2026
  • disclosed29 Sept 2026
  • creditUnknown

Introduced: 29 Sep 2026

NewCVE-2026-87554  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade chromium to version 153.0.8010.36 or higher.

Overview

Affected versions of this package are vulnerable to Time-of-check Time-of-use (TOCTOU) Race Condition via a race condition in the Chromoting process. An attacker can execute arbitrary code outside the sandbox by leveraging a local program.

CVSS Base Scores

version 4.0
version 3.1