CVE-2021-4320

Public Exploit

Description

Use after free in Blink in Google Chrome prior to 92.0.4515.107 allowed a remote attacker who had compromised the renderer process to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.96% Top 25%
Vendor Advisory googleblog.com Vendor Advisory crbug.com
Affected: Google Chrome
Published at:
Updated at:

References

Link Tags
https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html release notes vendor advisory
https://crbug.com/1224238 vendor advisory issue tracking exploit
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ/

Frequently Asked Questions

What is the severity of CVE-2021-4320?
CVE-2021-4320 has been scored as a high severity vulnerability.
How to fix CVE-2021-4320?
To fix CVE-2021-4320, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4320 being actively exploited in the wild?
It is possible that CVE-2021-4320 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4320?
CVE-2021-4320 affects Google Chrome.
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