CVE-2022-20526 Memory corruption in Android

What is CVE-2022-20526?

CVE-2022-20526 is a low-severity memory corruption vulnerability in Google Android, published on 16 Dec 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In CanvasContext::draw of CanvasContext.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-229742774

Weakness: CWE-787

Which versions are affected by CVE-2022-20526?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20526?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-20526 being exploited?

There is no known exploitation of CVE-2022-20526 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as A-229742774, GHSA-9f6f-q7hj-p2gf, PUB-A-229742774.