CVE-2015-7744 Weak cryptography in n/a
Remote attackers can recover private RSA keys via Lenstra attack if ephemeral key exchange is enabled without low memory optimizations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-7744?
CVE-2015-7744 is a medium-severity vulnerability in Mariadb Mariadb, published on 22 Jan 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
wolfSSL (formerly CyaSSL) before 3.6.8 does not properly handle faults associated with the Chinese Remainder Theorem (CRT) process when allowing ephemeral key exchange without low memory optimizations on a server, which makes it easier for remote attackers to obtain private RSA keys by capturing TLS handshakes, aka a Lenstra attack.
Which versions are affected by CVE-2015-7744?
It affects 4 products.
Products include Mariadb Mariadb, Opensuse Leap, Opensuse Opensuse, Wolfssl Wolfssl.
How do I fix CVE-2015-7744?
Upgrade to a fixed version.
Is CVE-2015-7744 being exploited?
There is no known exploitation of CVE-2015-7744 in the wild and no public exploit code.
Other vulnerabilities in Mariadb Mariadb
- CVE-2026-49261 MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`
- CVE-2026-85746 MariaDB: Out-of-bound buffer write on in `ST_AsText` of nested GeometryCollections
- CVE-2026-85748 MariaDB: Use-after-free with a large number of SYS_REFCURSOR's
- CVE-2026-92262 MariaDB: Numerous issues caused by historical #mysql50# tablename encoding bypass.
- CVE-2023-26785 Code injection in n/a
Sources
Also known as DEBIAN-CVE-2015-7744, GHSA-f7wf-fgwg-64px, UBUNTU-CVE-2015-7744.