CVE-2019-10064 Weak cryptography in n/a

What is CVE-2019-10064?

CVE-2019-10064 is a high-severity vulnerability in Debian Debian Linux, published on 28 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

hostapd before 2.6, in EAP mode, makes calls to the rand() and random() standard library functions without any preceding srand() or srandom() call, which results in inappropriate use of deterministic values. This was fixed in conjunction with CVE-2016-10743.

Weakness: CWE-331

Which versions are affected by CVE-2019-10064?

It affects 2 products.

Products include Debian Debian Linux, W1.fi Hostapd.

How do I fix CVE-2019-10064?

Upgrade to a fixed version.

Is CVE-2019-10064 being exploited?

There is no known exploitation of CVE-2019-10064 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-2019-10064, DLA-2138-1, GHSA-h5p7-cpc2-2j2r, UBUNTU-CVE-2019-10064.