CVE record
CVE-2021-37973
Google Chromium Portals Use-After-Free Vulnerability
Google Chromium Portals contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability affects web browsers that utilize Chromium, including Google Chrome and Microsoft Edge.
CVE evidence
Known exploitation
Listed in CISA KEV
Absence from the fetched catalog does not establish that exploitation has not occurred.
Severity
critical
CVSS 9.6 · CVSS_V3
Affected packages
0
Supported package records returned by OSV. Vendor and product names are not used to infer matches.
CISA Known Exploited Vulnerabilities
Catalog record
- Vendor / project
- Product
- Chromium Portals
- Date added
- Nov 3, 2021
- CISA federal remediation due date
- Nov 17, 2021
- Required action
- Apply updates per vendor instructions.
- Known ransomware campaign use
- Unknown
- CWE
- CWE-416
OSV package mapping
Affected open-source packages
OSV did not return a package mapping in the five supported ecosystems. RequestGuard does not infer package names from the CISA vendor or product fields.