CVE-2019-9499: Debian Linux

High severity, CVSS 8.1. EPSS: 2.2% chance of exploitation in the next 30 days.

The implementations of EAP-PWD in wpa_supplicant EAP Peer, when built against a crypto library missing explicit validation on imported elements, do not validate the scalar and element values in EAP-pwd-Commit. An attacker may complete authentication, session key and control of the data connection with a client. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.4 are affected. Both hostapd with EAP-pwd support and wpa_supplicant with EAP-pwd support prior to and including version 2.7 are affected.

Affected products

• Debian Debian Linux: version 8.0 only
• Fedoraproject Fedora: version 28 only; version 29 only; version 30 only
• Freebsd Freebsd: from 11.0, up to and including 11.1; version 11.2 only; version 12.0 only
• Opensuse Backports Sle: version 15.0 only
• Opensuse Leap: version 15.1 only
• Synology Radius Server: version 3.0 only
• Synology Router Manager: version 1.2 only
• w1.fi Hostapd: up to and including 2.4; from 2.5, up to and including 2.7
• w1.fi Wpa Supplicant: up to and including 2.4; from 2.5, up to and including 2.7

Published 2019-04-17. Last modified 2026-06-17.