Race Condition Affecting chromium package, versions [,143.0.7499.40)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-CHROMIUM-14176127
- published4 Dec 2025
- disclosed2 Dec 2025
- creditChrome
Introduced: 2 Dec 2025
CVE-2025-13721 (opens in a new tab)How to fix?
Upgrade chromium to version 143.0.7499.40 or higher.
Overview
Affected versions of this package are vulnerable to Race Condition due to inconsistent access to the map’s instance size in JSObject::GetEmbedderFieldCount. An attacker can exploit this race condition to cause incorrect embedder-field calculations, potentially leading to memory corruption, undefined behavior, or further exploitation depending on the embedding environment.