CVE-2023-20737 Use after free in MT6768, MT6769, MT6779, MT6781, MT6785, MT6789, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8168, MT8365, MT8395

What is CVE-2023-20737?

CVE-2023-20737 is a medium-severity use after free vulnerability in Google Android, published on 6 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In vcu, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07645149; Issue ID: ALPS07645167.

Weakness: CWE-667

Which versions are affected by CVE-2023-20737?

It affects 3 products.

Products include Google Android, Linuxfoundation Iot-Yocto, Linuxfoundation Yocto.

How do I fix CVE-2023-20737?

No fix has been published for CVE-2023-20737 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-2023-20737 being exploited?

There is no known exploitation of CVE-2023-20737 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-ph47-5xqg-mr4x.