CVE-2021-21112: Use after free in Blink
Published Nov 20, 2020
·Updated
Use after free in Blink in Google Chrome prior to 87.0.4280.141 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Credit
YoungJoo Lee@@ashuu_lee(Raon Whitehat)
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 20, 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-2021-21112?
CVE-2021-21112 has a high severity due to its potential to allow a remote attacker to exploit heap corruption.
2
How do I fix CVE-2021-21112?
To fix CVE-2021-21112, update Google Chrome to version 87.0.4280.141 or later.
3
Which versions of Google Chrome are affected by CVE-2021-21112?
CVE-2021-21112 affects versions of Google Chrome prior to 87.0.4280.141.
4
Can CVE-2021-21112 be exploited via email attachments?
Yes, CVE-2021-21112 can potentially be exploited through crafted HTML pages, including those embedded in email attachments.
5
Are there any recommended security practices related to CVE-2021-21112?
It is recommended to keep all web browsers up to date and to avoid opening untrusted links or files.