CVE-2023-48340 Memory corruption in SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T760/T770/T820/S8000

Medium 5.5 Published 18 Jan 2024 Updated 20 Jun 2025

A local attacker can cause a denial of service in Unisoc video decoders via an out-of-bounds write triggered by improper input validation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2023-48340?

CVE-2023-48340 is a medium-severity memory corruption vulnerability in Google Android, published on 18 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In video decoder, there is a possible out of bounds write due to improper input validation. This could lead to local denial of service with no additional execution privileges needed

Weakness: CWE-787

Which versions are affected by CVE-2023-48340?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-48340?

Apply the vendor's patch.

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

Is CVE-2023-48340 being exploited?

There is no known exploitation of CVE-2023-48340 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-311290655, ASB-A-311290655, GHSA-5wjm-mm52-wvxg, U-2228010.