CVE-2021-4319: Use after free in Blink
Use after free in Blink in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)
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 93.0.4577.82 - 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 CVE-2021-4319?
CVE-2021-4319 is a vulnerability that allows a remote attacker to perform arbitrary read/write operations in Google Chrome versions prior to 93.0.4577.82.
What is the severity of CVE-2021-4319?
The severity of CVE-2021-4319 is High with a severity score of 8.8.
How does CVE-2021-4319 work?
CVE-2021-4319 is a use after free vulnerability in Blink in Google Chrome, which allows a remote attacker to exploit a memory corruption issue and manipulate the browser's memory to perform arbitrary read/write operations.
Which software versions are affected by CVE-2021-4319?
Google Chrome versions prior to 93.0.4577.82 are affected by CVE-2021-4319.
How can I fix CVE-2021-4319?
To fix CVE-2021-4319, update your Google Chrome browser to version 93.0.4577.82 or later.