CVE-2016-7440 Information disclosure in n/a

What is CVE-2016-7440?

CVE-2016-7440 is a medium-severity vulnerability in Debian Debian Linux, published on 13 Dec 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The C software implementation of AES Encryption and Decryption in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover AES keys by leveraging cache-bank timing differences.

Which versions are affected by CVE-2016-7440?

It affects 4 products.

Products include Debian Debian Linux, Mariadb Mariadb, Oracle Mysql, Wolfssl Wolfssl.

How do I fix CVE-2016-7440?

Upgrade to a fixed version.

Is CVE-2016-7440 being exploited?

There is no known exploitation of CVE-2016-7440 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-7440, GHSA-7x96-8fm7-rhwj, UBUNTU-CVE-2016-7440.