What’s Vulnerable › Vulnerabilities

CVE-2020-6386

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-02-27 · updated 2026-06-17
• Weakness: CWE-416

Description

Use after free in speech in Google Chrome prior to 80.0.3987.116 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected products

• Debian Linux: 9.0, 10.0
• Fedoraproject Fedora: 30, 31
• Google Chrome: before 80.0.3987.116 — fixed in 80.0.3987.116
• RedHat Enterprise Linux Desktop: 6.0
• RedHat Enterprise Linux Server: 6.0
• RedHat Enterprise Linux Workstation: 6.0

How to fix

Upgrade to a fixed version: Google Chrome 80.0.3987.116. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/errata/RHSA-2020:0738
• https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_18.html
• https://crbug.com/1043603
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/
• https://www.debian.org/security/2020/dsa-4638
• https://access.redhat.com/errata/RHSA-2020:0738
• https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_18.html
• https://crbug.com/1043603
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/
• https://www.debian.org/security/2020/dsa-4638

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