CVE-2022-0306

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 85.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-02-12 · updated 2026-06-17
Weakness: CWE-787

Description

Heap buffer overflow in PDFium in Google Chrome prior to 97.0.4692.99 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected products

Google Chrome: before 97.0.4692.99 — fixed in 97.0.4692.99

How to fix

Upgrade to a fixed version: Google Chrome 97.0.4692.99. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/166367/Chrome-chrome_pdf-PDFiumEngine-RequestThumbnail-Heap-Buffer-Overflow.html
https://chromereleases.googleblog.com/2022/01/stable-channel-update-for-desktop_19.html
https://crbug.com/1283198
http://packetstormsecurity.com/files/166367/Chrome-chrome_pdf-PDFiumEngine-RequestThumbnail-Heap-Buffer-Overflow.html
https://chromereleases.googleblog.com/2022/01/stable-channel-update-for-desktop_19.html
https://crbug.com/1283198

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