CVE-2019-20770 Memory corruption in n/a

What is CVE-2019-20770?

CVE-2019-20770 is a high-severity memory corruption vulnerability in Google Android, published on 17 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered on LG mobile devices with Android OS 9.0 software. The HAL service has a buffer overflow that leads to arbitrary code execution. The LG ID is LVE-SMP-190013 (September 2019).

Weakness: CWE-120

Which versions are affected by CVE-2019-20770?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2019-20770?

No fix has been published for CVE-2019-20770 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-20770 being exploited?

There is no known exploitation of CVE-2019-20770 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-3x2w-qx4w-qjhr.