CVE-2016-0818 Security feature bypass in n/a

What is CVE-2016-0818?

CVE-2016-0818 is a medium-severity vulnerability in Google Android, published on 12 Mar 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.

Weakness: CWE-345, CWE-254

Which versions are affected by CVE-2016-0818?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2016-0818?

Apply the vendor's patch.

Is CVE-2016-0818 being exploited?

There is no known exploitation of CVE-2016-0818 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-gfmm-3f49-2hrh, UBUNTU-CVE-2016-0818.