CVE-2021-21156: Heap buffer overflow in V8
Published Feb 11, 2021
·Updated
Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crafted script.
Credit
Sergei Glazunov(Google Project Zero)
Affected Software
5 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<88.0.4324.182
88.0.4324.182
Google Chrome<88.0.4324.182
fedoraproject fedora=32
fedoraproject fedora=33
Event History
Feb 11, 2021
CVE Published
12:00 AM
Feb 22, 2021
CVE Published
via MITRE·09:20 PM
Data Sourced
via MITRE·09:20 PM
DescriptionWeakness
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of CVE-2021-21156?
CVE-2021-21156 has been classified as a high severity vulnerability due to its potential for heap corruption exploitation.
2
How do I fix CVE-2021-21156?
To fix CVE-2021-21156, users should update Google Chrome to version 88.0.4324.182 or later.
3
Which versions of Chrome are affected by CVE-2021-21156?
CVE-2021-21156 affects Google Chrome versions prior to 88.0.4324.182.
4
What type of vulnerability is CVE-2021-21156?
CVE-2021-21156 is a heap buffer overflow vulnerability in the V8 engine of Google Chrome.
5
Can CVE-2021-21156 be exploited remotely?
Yes, CVE-2021-21156 can be exploited remotely by a malicious actor through a crafted script.