CVE-2022-20338 In HierarchicalUri.readFrom of Uri.java, there is a possible way to craft a malformed Uri object due to improper input validation.

What is CVE-2022-20338?

CVE-2022-20338 is a low-severity vulnerability in Google Android, published on 11 Aug 2022.

Official description

In HierarchicalUri.readFrom of Uri.java, there is a possible way to craft a malformed Uri object due to improper input validation. This could lead to a local escalation of privilege, preventing processes from validating URIs correctly, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-171966843

Weakness: CWE-20

Which versions are affected by CVE-2022-20338?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20338?

Upgrade to a fixed version.

Is CVE-2022-20338 being exploited?

There is no known exploitation of CVE-2022-20338 in the wild and no public exploit code.

Public exploit code: 2 proofs of concept on GitHub.

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-171966843, ASB-A-171966843, GHSA-mwfh-4q4p-rw3p.