CVE-2021-38786 Null dereference in n/a

High 7.5 Published 19 Jan 2022 Updated 4 Aug 2024

A NULL pointer dereference in the Allwinner R818 SoC Android SDK media decoder allows attackers to cause a denial of service via media processing.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-38786?

CVE-2021-38786 is a high-severity vulnerability in n/a, published on 19 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a NULL pointer dereference in media/libcedarc/vdecoder of Allwinner R818 SoC Android Q SDK V1.0, which could cause a media crash (denial of service).

Weakness: CWE-476

Which versions are affected by CVE-2021-38786?

It affects 1 product.

Products include Allwinnertech Android Q Sdk.

How do I fix CVE-2021-38786?

No fix has been published for CVE-2021-38786 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-38786 being exploited?

There is no known exploitation of CVE-2021-38786 in the wild and no public exploit code.

Sources

Also known as GHSA-4h5q-q65q-355x.