Candidate: CVE-2021-37973
PublicDate: 2021-10-08 22:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37973
 https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html
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.
Ubuntu-Description:
Notes:
 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
Mitigation:
Bugs:
Priority: high
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H [9.6 CRITICAL]

Patches_chromium-browser:
upstream_chromium-browser: released (94.0.4606.61)
trusty_chromium-browser: ignored (out of standard support)
trusty/esm_chromium-browser: DNE
xenial_chromium-browser: ignored (out of standard support)
bionic_chromium-browser: released (94.0.4606.71-0ubuntu0.18.04.1)
focal_chromium-browser: not-affected (code not present)
hirsute_chromium-browser: not-affected (code not present)
impish_chromium-browser: not-affected (code not present)
jammy_chromium-browser: not-affected (code not present)
devel_chromium-browser: not-affected (code not present)