What’s Vulnerable › Vulnerabilities

CVE-2021-4320

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-07-29 · updated 2026-06-17
• Weakness: CWE-416

Description

Use after free in Blink in Google Chrome prior to 92.0.4515.107 allowed a remote attacker who had compromised the renderer process to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

Affected products

• 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/1224238
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ/
• https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html
• https://crbug.com/1224238
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ/

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