Improper Check for Unusual or Exceptional Conditions Affecting chromium package, versions [,140.0.7339.80)
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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- published11 Nov 2025
- disclosed7 Nov 2025
- creditUnknown
Introduced: 7 Nov 2025
NewCVE-2025-12905 (opens in a new tab)How to fix?
Upgrade chromium to version 140.0.7339.80 or higher.
Overview
Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions due to improper handling of the SAME_AS_SOURCE path validation in the Downloads component. An attacker can bypass Mark of the Web security protections by crafting an HTML page that triggers a download where the target file path is the same as the source file path, causing the download to proceed without proper cancellation and creating a download loop that bypasses security checks.