CVE-2015-3863 Integer overflow in n/a

What is CVE-2015-3863?

CVE-2015-3863 is a critical vulnerability in Google Android, published on 1 Oct 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Multiple integer overflows in the Blob class in keystore/keystore.cpp in Keystore in Android before 5.1.1 LMY48M allow attackers to execute arbitrary code and read arbitrary Keystore keys via an application that uses a crafted blob in an insert operation, aka internal bug 22802399.

Weakness: CWE-189

Which versions are affected by CVE-2015-3863?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2015-3863?

No fix has been published for CVE-2015-3863 yet. Limit exposure of the affected software until one is available.

Is CVE-2015-3863 being exploited?

There is no known exploitation of CVE-2015-3863 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-f62v-cfqq-x49m, UBUNTU-CVE-2015-3863.