CVE-2021-30551

Known Exploited Public Exploit

Description

Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 76.95% Top 5%
KEV Since 
Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org
Affected: Google Chrome
Published at:
Updated at:

References

Link Tags
https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html release notes
https://crbug.com/1216437 issue tracking exploit third party advisory
https://security.gentoo.org/glsa/202107-06 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/ release notes vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/ release notes vendor advisory
https://security.gentoo.org/glsa/202208-25 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30551?
CVE-2021-30551 has been scored as a high severity vulnerability.
How to fix CVE-2021-30551?
To fix CVE-2021-30551, 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-2021-30551 being actively exploited in the wild?
It is confirmed that CVE-2021-30551 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~77% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30551?
CVE-2021-30551 affects Google Chrome.
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