CVE-2021-4064: Use after free in screen capture
Use after free in screen capture in Google Chrome on ChromeOS prior to 96.0.4664.93 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
Google Chrome (Trace Event)to a version that resolves this vulnerability.Fixed in 96.0.4664.93 - Upgrade
Upgrade
debian/chromiumto a version that resolves this vulnerability.Fixed in 150.0.7871.100-1~deb12u1Fixed in 156.0.8078.79-1~deb12u1Fixed in 150.0.7871.181-1~deb13u1Fixed in 156.0.8078.79-1~deb13u1Fixed in 156.0.8078.79-1
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2021-4064?
CVE-2021-4064 has been identified as a moderate severity vulnerability that allows a potential remote exploitation due to use after free in screen capture.
How do I fix CVE-2021-4064?
To fix CVE-2021-4064, update Google Chrome or Chromium to version 96.0.4664.93 or later.
Which versions of Google Chrome are affected by CVE-2021-4064?
Versions of Google Chrome prior to 96.0.4664.93 are affected by CVE-2021-4064.
Is CVE-2021-4064 present in Debian's Chromium package?
Yes, CVE-2021-4064 affects Debian's Chromium package versions up to 90.0.4430.212-1~deb10u1.
Can CVE-2021-4064 be exploited remotely?
Yes, CVE-2021-4064 can potentially be exploited remotely via a crafted HTML page.