Exposure of Sensitive System Information to an Unauthorized Control Sphere Affecting chromium package, versions [,95.0.4638.69)
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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- published26 Feb 2026
- disclosed24 Feb 2026
- creditMark Amery
Introduced: 24 Feb 2026
CVE-2021-38004 (opens in a new tab)How to fix?
Upgrade chromium to version 95.0.4638.69 or higher.
Overview
Affected versions of this package are vulnerable to Exposure of Sensitive System Information to an Unauthorized Control Sphere via the LayoutBlock::EnclosingFirstLineStyleBlock handling of ::first-line styling on the Autofill suggestion shadow content in Blink’s layout component. An attacker can expose users’ cross-origin Autofill values by tricking them into loading a crafted HTML page that examines the styled Autofill preview content.