CVE-2015-3837 Deserialization in n/a

What is CVE-2015-3837?

CVE-2015-3837 is a critical unsafe deserialization vulnerability in Google Android, published on 1 Oct 2015. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The OpenSSLX509Certificate class in org/conscrypt/OpenSSLX509Certificate.java in Android before 5.1.1 LMY48I improperly includes certain context data during serialization and deserialization, which allows attackers to execute arbitrary code via an application that sends a crafted Intent, aka internal bug 21437603.

Weakness: CWE-20

Which versions are affected by CVE-2015-3837?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2015-3837?

No fix has been published for CVE-2015-3837 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2015-3837 being exploited?

There is no known exploitation of CVE-2015-3837 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

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 CVE-2015-3825, GHSA-7rhm-rf4m-m5cr.