CVE-2023-20691 Integer overflow in MT6739, MT8167, MT8321, MT8365, MT8385, MT8666, MT8765, MT8788

What is CVE-2023-20691?

CVE-2023-20691 is a high-severity vulnerability in Google Android, published on 4 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In wlan firmware, there is possible system crash due to an integer overflow. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07664731; Issue ID: ALPS07664731.

Weakness: CWE-190

Which versions are affected by CVE-2023-20691?

It affects 2 products.

Products include Google Android, Linuxfoundation Yocto.

How do I fix CVE-2023-20691?

No fix has been published for CVE-2023-20691 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-20691 being exploited?

There is no known exploitation of CVE-2023-20691 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-7q6p-2j7f-m7gx.