CVE-2023-20958 Information disclosure in Android

High 7.1 Published 24 Mar 2023 Updated 25 Feb 2025

A heap buffer overflow in Android's font rendering allows local attackers to read sensitive memory without user interaction or elevated privileges.

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-2023-20958?

CVE-2023-20958 is a high-severity vulnerability in Google Android, published on 24 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In read_paint of ttcolr.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-254803162

Weakness: CWE-125

Which versions are affected by CVE-2023-20958?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-20958?

Apply the vendor's patch.

Is CVE-2023-20958 being exploited?

There is no known exploitation of CVE-2023-20958 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-254803162, ASB-A-254803162, AZL-26758, GHSA-rv77-8v7v-vhx8.