CVE-2019-2231 Information disclosure in Android

What is CVE-2019-2231?

CVE-2019-2231 is a medium-severity vulnerability in Google Android, published on 6 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In Blob::Blob of blob.cpp, there is a possible unencrypted master key due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10Android ID: A-141955555

Weakness: CWE-311

Which versions are affected by CVE-2019-2231?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2019-2231?

No fix has been published for CVE-2019-2231 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-2231 being exploited?

There is no known exploitation of CVE-2019-2231 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-77x2-39gg-vv6g.