Actively exploited in the wild
Google Chromium Portals Use-After-Free Vulnerability
Google - Chromium Portals · Listed in the CISA KEV since 2021-11-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-37973
CriticalCVSS 9.6KEVSummary
Use-after-free vulnerability in Portals in Google Chrome prior to 94.0.4606.61. A remote attacker who compromised the renderer process could potentially perform a sandbox escape via a crafted HTML page.
Risk Assessment
The risk to the organization includes potential privilege escalation and system compromise if the vulnerability is exploited in conjunction with other flaws.
Recommendation
It is recommended to immediately update Google Chrome to version 94.0.4606.61 or later to remediate the vulnerability.
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Information leak in Paint in Google Chrome prior to 153.0.8010.52 allowed a remote attacker to obtain sensitive information via a crafted HTML page. The vulnerability was rated Medium severity by Chromium.
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Use after free in PDFium in Google Chrome prior to 153.0.8010.52 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability was rated High severity by Chromium.
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Race condition in FileSystem in Google Chrome prior to 153.0.8010.52 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass system access restrictions via a crafted HTML page. The vulnerability was rated Medium severity by Chromium.
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Incorrect authorization in ORB in Google Chrome prior to 153.0.8010.52 allowed a remote attacker to bypass site isolation via a crafted HTML page. The vulnerability was rated High severity by Chromium.
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Missing authorization in Storage in Google Chrome prior to 153.0.8010.52 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. The vulnerability was rated Medium severity by Chromium.
Original NVD description (English source)
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.