What’s Vulnerable › Vulnerabilities

CVE-2020-6540

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-21 · updated 2026-06-17
• Weakness: CWE-787

Description

Buffer overflow in Skia in Google Chrome prior to 84.0.4147.105 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected products

• Debian Linux: 10.0
• Fedoraproject Fedora: 33
• Google Chrome: before 84.0.4147.105 — fixed in 84.0.4147.105

How to fix

Upgrade to a fixed version: Google Chrome 84.0.4147.105. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop_27.html
• https://crbug.com/1105720
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/
• https://security.gentoo.org/glsa/202101-30
• https://www.debian.org/security/2021/dsa-4824
• https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop_27.html
• https://crbug.com/1105720
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/
• https://security.gentoo.org/glsa/202101-30
• https://www.debian.org/security/2021/dsa-4824

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