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OpenAdvisories
Critical · 9.6 Known exploited CVE-2021-37973 EUVD-2021-24446GHSA-w2c8-qc3j-3xr5

Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to pote…

Published Oct 8, 2021 · Updated Oct 21, 2025 · Assigned by Chrome

Description

Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Affected products

VendorProductAffectedFixed
Google Chrome unspecified – < 94.0.4606.61 94.0.4606.61

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 97.0.4692.71-0.1 —
Debian 13 chromium 97.0.4692.71-0.1 —
Debian 12 chromium 97.0.4692.71-0.1 —
Debian 11 chromium 97.0.4692.71-0.1~deb11u1 DSA-5046-1
ReleasePackageFixed inAdvisory
Ubuntu 18.04 LTS chromium-browser 94.0.4606.71-0ubuntu0.18.04.1 —
ReleasePackageFixed inAdvisory
SUSE Package Hub 15 SP3 chromium 94.0.4606.71-bp153.2.31.1 openSUSE-SU-2021:1339-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed chromium 94.0.4606.71-1.1 openSUSE-SU-2024:12948-1, openSUSE-SU-2024:11555-1
openSUSE Leap 15.3 chromium 94.0.4606.71-bp153.2.31.1 openSUSE-SU-2021:1339-1
openSUSE Leap 15.2 chromium 94.0.4606.81-lp152.2.132.1 openSUSE-SU-2021:1350-1
ReleasePackageFixed inAdvisory
Alpine v3.23 qt5-qtwebengine 5.15.3_git20211006-r3 —
Alpine v3.22 qt5-qtwebengine 5.15.3_git20211006-r3 —
Alpine v3.21 qt5-qtwebengine 5.15.3_git20211006-r3 —
Alpine v3.20 qt5-qtwebengine 5.15.3_git20211006-r3 —
Alpine v3.19 qt5-qtwebengine 5.15.3_git20211006-r3 —
Show 5 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Alpine v3.18 qt5-qtwebengine 5.15.3_git20211006-r3 —
Alpine v3.17 qt5-qtwebengine 5.15.3_git20211006-r3 —
Alpine v3.16 qt5-qtwebengine 5.15.3_git20211006-r3 —
Alpine v3.15 qt5-qtwebengine 5.15.3_git20211006-r3 —
Alpine v3.14 qt5-qtwebengine 5.15.3_git20211006-r1 —

Advisories 5

References