CVE-2022-0306

Name: CVE-2022-0306
Creator: NVD / NIST
Published: 2022-02-12T02:15:10.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 85.35%

Last modified Jun 17, 2026

CVE-2022-0306 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 85.35% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

85.35%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Google	Chrome	< 97.0.4692.99

References

http://packetstormsecurity.com/files/166367/Chrome-chrome_pdf-PDFiumEngine-RequestThumbnail-Heap-Buffer-Overflow.htmlThird Party Advisory, VDB Entry
https://chromereleases.googleblog.com/2022/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
https://crbug.com/1283198Issue Tracking, Permissions Required, Third Party Advisory
http://packetstormsecurity.com/files/166367/Chrome-chrome_pdf-PDFiumEngine-RequestThumbnail-Heap-Buffer-Overflow.htmlThird Party Advisory, VDB Entry
https://chromereleases.googleblog.com/2022/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
https://crbug.com/1283198Issue Tracking, Permissions Required, Third Party Advisory

Timeline

Published: Feb 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-0306?

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.

How severe is CVE-2022-0306?

CVE-2022-0306 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 85.35% probability of exploitation in the next 30 days.

How do I fix CVE-2022-0306?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-0306?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST