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CVE-2021-37973

Published: 08 October 2021

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.

Priority

High

CVSS 3 base score: 9.6

Status

Package Release Status
chromium-browser
Launchpad, Ubuntu, Debian
Upstream
Released (94.0.4606.61)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(code not present)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(code not present)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(code not present)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (94.0.4606.71-0ubuntu0.18.04.1)
Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(out of standard support)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Notes

AuthorNote
amurray
The Debian chromium source package is called chromium-browser in
Ubuntu
mdeslaur
starting with Ubuntu 19.10, the chromium-browser package is just
a script that installs the Chromium snap
sbeattie
active exploitation in the wild

References