CVE-2021-21148: Heap buffer overflow in V8
Google Chromium V8 Engine contains a heap buffer overflow vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Other sources
Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.150 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/chromiumto a version that resolves this vulnerability.Fixed in 90.0.4430.212-1~deb10u1Fixed in 116.0.5845.180-1~deb11u1Fixed in 118.0.5993.70-1~deb11u1Fixed in 116.0.5845.180-1~deb12u1Fixed in 118.0.5993.70-1~deb12u1Fixed in 118.0.5993.70-1 - Upgrade
Upgrade
Google Chrome (Trace Event)to a version that resolves this vulnerability.Fixed in 88.0.4324.150
Event History
Frequently Asked Questions
What is CVE-2021-21148?
CVE-2021-21148 is a heap buffer overflow vulnerability in the Google Chromium V8 Engine.
Which software is affected by CVE-2021-21148?
Web browsers that utilize Chromium, including Google Chrome and Microsoft Edge, are affected by CVE-2021-21148.
What is the severity of CVE-2021-21148?
CVE-2021-21148 has a severity score of 8.8 (high).
How can a remote attacker exploit CVE-2021-21148?
A remote attacker can potentially exploit CVE-2021-21148 by using a crafted HTML page to cause heap corruption.
Are there any available remedies for CVE-2021-21148?
Yes, there are available remedies for CVE-2021-21148. Please refer to the referenced sources for more information.