CVE-2025-8576: High Use after free in Extensions
Chromium: CVE-2025-8576 Use after free in Extensions
Other sources
Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Use after free in Extensions in Google Chrome prior to 139.0.7258.66 allowed a remote attacker to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: Medium)
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 139.0.7258.66 - Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 139.0.7258.66
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-8576?
The severity of CVE-2025-8576 is classified as Medium.
How do I fix CVE-2025-8576?
To fix CVE-2025-8576, update Google Chrome to version 139.0.7258.66 or later.
What causes the vulnerability CVE-2025-8576?
CVE-2025-8576 is caused by a use after free error in Extensions in Google Chrome.
Can CVE-2025-8576 be exploited remotely?
Yes, CVE-2025-8576 allows a remote attacker to potentially exploit heap corruption.
Which versions of Google Chrome are affected by CVE-2025-8576?
CVE-2025-8576 affects all versions of Google Chrome prior to 139.0.7258.66.