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OpenAdvisories
High · 8.8 CVE-2025-9866 EUVD-2025-26672GHSA-5g75-w57p-pj3x

Inappropriate implementation in Extensions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to bypass content security pol…

Published Sep 3, 2025 · Updated Feb 26, 2026 · Assigned by Chrome

Description

Inappropriate implementation in Extensions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Medium)

Affected products

VendorProductAffectedFixed
Google Chrome 140.0.7339.80 – < 140.0.7339.80 140.0.7339.80

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 chromium 140.0.7339.80-1 —
Debian 13 chromium 140.0.7339.80-1~deb13u1 DSA-5993-1
Debian 12 chromium 140.0.7339.80-1~deb12u1 DSA-5993-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed chromium 140.0.7339.80-1.1 openSUSE-SU-2025:15524-1
ReleasePackageFixed inAdvisory
Alpine v3.24 qt6-qtwebengine 6.9.2-r1 —
Alpine v3.23 qt6-qtwebengine 6.9.2-r1 —
Alpine v3.22 qt6-qtwebengine 6.8.3-r1 —

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling chromium 140.0.7339.80-r0 —

Advisories 3

References