CVE-2021-21226: Use after free in navigation
Use after free in navigation in Google Chrome prior to 90.0.4430.85 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/chromiumto a version that resolves this vulnerability.Fixed in 90.0.4430.212-1~deb10u1Fixed in 116.0.5845.180-1~deb11u1Fixed in 118.0.5993.70-1~deb11u1Fixed in 116.0.5845.180-1~deb12u1Fixed in 118.0.5993.70-1~deb12u1Fixed in 118.0.5993.70-1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 90.0.4430.85
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2021-21226?
CVE-2021-21226 has a high severity rating due to its potential for sandbox escape and exploitation.
How do I fix CVE-2021-21226?
To fix CVE-2021-21226, update Google Chrome to version 90.0.4430.85 or later.
Which versions of Google Chrome are affected by CVE-2021-21226?
CVE-2021-21226 affects Google Chrome versions prior to 90.0.4430.85.
Can CVE-2021-21226 be exploited by remote attackers?
Yes, CVE-2021-21226 can be exploited by remote attackers through a specially crafted HTML page.
Is CVE-2021-21226 specific to certain operating systems?
CVE-2021-21226 is relevant to multiple operating systems, including Debian and Fedora, where affected versions of Chrome are installed.