CVE-2025-20638 Information disclosure in MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798, MT8893

What is CVE-2025-20638?

CVE-2025-20638 is a medium-severity vulnerability in Google Android, published on 3 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In DA, there is a possible read of uninitialized heap data due to uninitialized data. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS09291449; Issue ID: MSV-2066.

Weakness: CWE-908, CWE-457

Which versions are affected by CVE-2025-20638?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2025-20638?

No fix has been published for CVE-2025-20638 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-20638 being exploited?

There is no known exploitation of CVE-2025-20638 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-pvh9-2948-mgmj.