CVE-2021-37973: Google Chromium Portals Use-After-Free Vulnerability
Critical · CVSS 9.6 (CVSS 3.1)KEV known exploitedEPSS 11.7%, 96th percentilePublished Updated Assigner: Chrome
In CISA’s Known Exploited Vulnerabilities catalog: Google Chromium Portals Use-After-Free Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Google: Chrome
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html (opens in new tab)
- crbug.com/1251727 (opens in new tab)
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW… (opens in new tab)
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7M… (opens in new tab)
- www.debian.org/security/2022/dsa-5046 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)