Critical Security Update for hostapd: CVE-2026-58374 Vulnerability
Summary
RHSA-2026:85277: Red Hat Security Advisory: hostapd security update. Affects hostapd versions < 0:2.11-3.el9_8. Fixed in 0:2.11-3.el9_8. How to fix ↓
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Background
hostapd is a user space daemon that allows you to create and manage wireless access points and authentication servers. It is widely used in various Linux distributions to provide Wi-Fi access and manage network connections. The package is essential for enabling secure wireless communication and supports various authentication methods. However, it is susceptible to vulnerabilities that can compromise network security.
Vulnerability Detail
The vulnerability identified as CVE-2026-58374 affects hostapd, allowing unauthorized access to sensitive network configurations. This issue arises from improper validation of input data, which could lead to potential exploitation by attackers. If successfully exploited, this vulnerability could allow attackers to manipulate network settings, leading to unauthorized access or denial of service. The CVSS score for this vulnerability is 7.1, indicating a high severity level that necessitates immediate attention.
How To Fix
Minimum fixed version
0:2.11-3.el9_8
This is the first release that contains the fix.
sudo dnf update hostapdTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, you can disable the affected features of hostapd until the package is updated. This can be done by modifying the configuration file located at '/etc/hostapd/hostapd.conf' and commenting out or removing any insecure settings. However, this is not a permanent solution and updating the package is strongly advised.
Conclusion
The CVE-2026-58374 vulnerability in hostapd poses a significant risk to network security. It is crucial for users to update their hostapd package to the latest patched version to mitigate potential threats. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
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FAQ
CVE-2026-58374 is a security vulnerability in the hostapd package that allows unauthorized access to network configurations.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
Exploitation of this vulnerability could lead to unauthorized access to network settings, potentially compromising the security of the wireless network.
Yes, a patched version of hostapd is available. Updating to version 0:2.11-3.el9_8 will resolve the vulnerability.
If immediate updating is not possible, consider disabling insecure features in the hostapd configuration as a temporary workaround.
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