CVE-2023-20800 Null dereference in MT6879, MT6895, MT6983, MT8188, MT8195, MT8395, MT8781

What is CVE-2023-20800?

CVE-2023-20800 is a medium-severity vulnerability in Google Android, published on 7 Aug 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In imgsys, there is a possible system crash due to a mssing ptr check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS07420968; Issue ID: ALPS07420955.

Weakness: CWE-863

Which versions are affected by CVE-2023-20800?

It affects 2 products.

Products include Google Android, Linuxfoundation Yocto.

How do I fix CVE-2023-20800?

No fix has been published for CVE-2023-20800 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-20800 being exploited?

There is no known exploitation of CVE-2023-20800 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-m6f4-gmx3-wr5w.