What’s Vulnerable › Vulnerabilities

CVE-2020-6555

• Severity: high (CVSS 7.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-21 · updated 2026-06-17
• Weakness: CWE-125

Description

Out of bounds read in WebGL in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.

Affected products

• Debian Linux: 10.0
• Fedoraproject Fedora: 33
• Google Chrome: before 84.0.4147.125 — fixed in 84.0.4147.125

How to fix

Upgrade to a fixed version: Google Chrome 84.0.4147.125. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html
• https://crbug.com/1105202
• 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://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1123
• https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html
• https://crbug.com/1105202
• 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://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1123

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