CVE-2020-0495 Integer overflow in Android

Medium 5.5 Published 15 Dec 2020 Updated 4 Aug 2024

An integer overflow in Android's JBig2 decoder allows local attackers to disclose sensitive information 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: None listed

What is CVE-2020-0495?

CVE-2020-0495 is a medium-severity vulnerability in Google Android, published on 15 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In decode_Huffman of JBig2_SddProc.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-155473137

Weakness: CWE-787, CWE-190

Which versions are affected by CVE-2020-0495?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2020-0495?

No fix has been published for CVE-2020-0495 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-0495 being exploited?

There is no known exploitation of CVE-2020-0495 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-4j5w-hmf4-595g.