CVE-2025-11458: High Heap buffer overflow in Sync
Chromium: CVE-2025-11458 Heap buffer overflow in Sync
Other sources
Heap buffer overflow in Sync in Google Chrome prior to 141.0.7390.65 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: High)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-11458?
CVE-2025-11458 is classified as critical due to the potential for a heap buffer overflow that can lead to arbitrary code execution.
How do I fix CVE-2025-11458?
To fix CVE-2025-11458, update Google Chrome to version 141.0.7390.65 or later, or update Microsoft Edge to version 141.0.3537.71 or later.
What types of software are affected by CVE-2025-11458?
CVE-2025-11458 affects Google Chrome, Microsoft Edge, and Chromium-based Microsoft Edge versions prior to the specified updates.
What causes CVE-2025-11458?
CVE-2025-11458 is caused by a heap buffer overflow vulnerability in the Synchronization feature of the affected browsers.
Is CVE-2025-11458 actively exploited?
There is no public information confirming that CVE-2025-11458 is being actively exploited in the wild.