What’s Vulnerable › Vulnerabilities

CVE-2023-0473

• 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: none known
• Published: 2023-01-30 · updated 2026-06-17
• Weakness: CWE-843

Description

Type Confusion in ServiceWorker API in Google Chrome prior to 109.0.5414.119 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

Affected products

• Google Chrome: before 109.0.5414.119 — fixed in 109.0.5414.119

How to fix

Upgrade to a fixed version: Google Chrome 109.0.5414.119. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2023/01/stable-channel-update-for-desktop_24.html
• https://crbug.com/1404639
• https://chromereleases.googleblog.com/2023/01/stable-channel-update-for-desktop_24.html
• https://crbug.com/1404639

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