CVE-2020-6556

Description

Heap buffer overflow in SwiftShader in Google Chrome prior to 84.0.4147.135 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 1.98% Top 20%
Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory googleblog.com
Affected: Google Chrome
Published at:
Updated at:

References

Link Tags
https://crbug.com/1115345 third party advisory
https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_18.html vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00049.html mailing list third party advisory vendor advisory
https://www.debian.org/security/2021/dsa-4824 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-6556?
CVE-2020-6556 has been scored as a high severity vulnerability.
How to fix CVE-2020-6556?
To fix CVE-2020-6556, 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-2020-6556 being actively exploited in the wild?
It is possible that CVE-2020-6556 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-6556?
CVE-2020-6556 affects Google Chrome.
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