CVE-2021-21226: Use after free in navigation
Published Apr 11, 2021
·Updated
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
Brendon Tiszka supporting the EFF@@btiszka
Affected Software
7 affected componentsFixes available
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1118.0.5993.70-1~deb11u1116.0.5845.180-1~deb12u1118.0.5993.70-1~deb12u1118.0.5993.70-1
Google Chrome<90.0.4430.85
90.0.4430.85
Google Chrome<90.0.4430.85
Debian Debian Linux=10.0
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Event History
Apr 11, 2021
CVE Published
12:00 AM
Apr 26, 2021
CVE Published
via MITRE·04:56 PM
Data Sourced
via MITRE·04:56 PM
DescriptionWeakness
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
1
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.
2
How do I fix CVE-2021-21226?
To fix CVE-2021-21226, update Google Chrome to version 90.0.4430.85 or later.
3
Which versions of Google Chrome are affected by CVE-2021-21226?
CVE-2021-21226 affects Google Chrome versions prior to 90.0.4430.85.
4
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.
5
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.