CVE-2021-21115: Use after free in safe browsing
Published Dec 11, 2020
·Updated
User after free in safe browsing in Google Chrome prior to 87.0.4280.141 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Credit
Leecraso(360 Alpha Lab), Guang Gong(360 Alpha Lab)
Affected Software
6 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<87.0.4280.141
87.0.4280.141
Google Chrome<87.0.4280.141
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Debian Debian Linux=10.0
Event History
Dec 11, 2020
CVE Published
12:00 AM
Jan 8, 2021
CVE Published
via MITRE·05:57 PM
Data Sourced
via MITRE·05:57 PM
DescriptionWeakness
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of CVE-2021-21115?
CVE-2021-21115 is classified as a high severity vulnerability that could enable a remote attacker to escape the sandbox in Google Chrome.
2
How do I fix CVE-2021-21115?
To fix CVE-2021-21115, update Google Chrome to version 87.0.4280.141 or later.
3
What versions of Chrome are affected by CVE-2021-21115?
CVE-2021-21115 affects versions of Google Chrome prior to 87.0.4280.141.
4
Is CVE-2021-21115 a remote exploit?
Yes, CVE-2021-21115 is a vulnerability that can be exploited remotely through a crafted HTML page.
5
What causes CVE-2021-21115?
CVE-2021-21115 is caused by a use-after-free vulnerability in the safe browsing feature of Google Chrome.