CVE-2020-0303 Use after free in Android

What is CVE-2020-0303?

CVE-2020-0303 is a high-severity use after free vulnerability in Google Android, published on 17 Sep 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In the Media extractor, there is a possible use after free due to improper locking. This could lead to remote code execution in the media extractor with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-148223229

Weakness: CWE-667, CWE-416

Which versions are affected by CVE-2020-0303?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2020-0303?

No fix has been published for CVE-2020-0303 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2020-0303 being exploited?

There is no known exploitation of CVE-2020-0303 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 GHSA-x8v2-f8hm-jwjh.