What’s Vulnerable › Vulnerabilities

CVE-2021-30566

• 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: 2021-08-03 · updated 2026-06-17
• Weakness: CWE-787

Description

Stack buffer overflow in Printing in Google Chrome prior to 92.0.4515.107 allowed a remote attacker who had compromised the renderer process to potentially exploit stack corruption via a crafted HTML page.

Affected products

• Fedoraproject Fedora: 33, 34, 35
• Google Chrome: before 92.0.4515.107 — fixed in 92.0.4515.107

How to fix

Upgrade to a fixed version: Google Chrome 92.0.4515.107. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html
• https://crbug.com/1202661
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LVY4WIWTVVYKQMROJJS365TZBKEARCF/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPJPUSAWIJMQFBQQQYXAICLI4EKFQOH6/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QW4R2K5HVJ4R6XDZYOJCCFPIN2XHNS3L/
• https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html
• https://crbug.com/1202661
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LVY4WIWTVVYKQMROJJS365TZBKEARCF/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPJPUSAWIJMQFBQQQYXAICLI4EKFQOH6/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QW4R2K5HVJ4R6XDZYOJCCFPIN2XHNS3L/

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