What’s Vulnerable › Vulnerabilities

CVE-2020-6521

• Severity: medium (CVSS 6.5 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: none known
• Published: 2020-07-22 · updated 2026-06-17

Description

Side-channel information leakage in autofill in Google Chrome prior to 84.0.4147.89 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: 31, 32
• Google Chrome: before 84.0.4147.89 — fixed in 84.0.4147.89
• openSUSE Backports Sle: 15.0-sp1, 15.0-sp2
• openSUSE Leap: 15.1, 15.2

How to fix

Upgrade to a fixed version: Google Chrome 84.0.4147.89. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.html
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.html
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.html
• https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.html
• https://crbug.com/1075734
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYIDWCHG24ZTFD4P42D4A4WWPPA74BCG/
• https://security.gentoo.org/glsa/202007-08
• https://www.debian.org/security/2021/dsa-4824
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.html
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.html

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