9.6
Critical
Exploited
CVE-2021-37973 Google Chromium Portals Use-After-Free Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Weakness
CWE-416
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Chrome 94.0 | earliest → < 94.0.4606.61 | 94.0.4606.61 |
References
- crbug.com crbug.com
- chromereleases.googleblog.com chromereleases.googleblog.com
- FEDORA-2021-ab09a05562 lists.fedoraproject.org
- FEDORA-2021-591b3a2af0 lists.fedoraproject.org
- DSA-5046 www.debian.org
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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