CVE-2021-21109: Use after free in payments
Published Nov 24, 2020
·Updated
Use after free in payments 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
Rong Jian(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
Nov 24, 2020
CVE Published
12:00 AM
Jan 8, 2021
CVE Published
via MITRE·05:56 PM
Data Sourced
via MITRE·05:56 PM
DescriptionWeakness
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of CVE-2021-21109?
CVE-2021-21109 is classified as a high severity vulnerability due to its potential for sandbox escape.
2
How do I fix CVE-2021-21109?
To fix CVE-2021-21109, users should update Google Chrome to version 87.0.4280.141 or later.
3
What are the affected software versions for CVE-2021-21109?
CVE-2021-21109 affects Google Chrome versions prior to 87.0.4280.141 and certain versions of Chromium and Fedora.
4
Can CVE-2021-21109 be exploited remotely?
Yes, CVE-2021-21109 can be exploited remotely by attackers through a crafted HTML page.
5
Is CVE-2021-21109 a use-after-free vulnerability?
Yes, CVE-2021-21109 is identified as a use-after-free vulnerability in the payments component of Google Chrome.