CVE-2019-9496
hostapd: SAE confirm missing state validation in hostapd/AP
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · April 10, 2019
Updated · November 22, 2025
Description
An invalid authentication sequence could result in the hostapd process terminating due to missing state validation steps when processing the SAE confirm message when in hostapd/AP mode. All version of hostapd with SAE support are vulnerable. An attacker may force the hostapd process to terminate, performing a denial of service attack. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.7 are affected.
Statement
Red Hat Enterprise Linux 5, 6, and 7 do not ship hostapd and they are not affected by this flaw.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 6.5CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-642 · External Control of Critical State Data