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Ubuntu 20.10 USN-4734-1 Critical: Wpa_Supplicant Heap Overflow Threat

ubuntu
Calendar Grey February 11, 2021
Dist Ubuntu Esm H88
Multiple vulnerabilities in wpa_supplicant and hostapd were resolved in the recent Ubuntu patch, targeting serious threats.
Several security issues were fixed in wpa_supplicant and hostapd.

Summary

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu heap overflow ubuntu wpa_supplicant hostapd

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: hostapd 2:2.9-1ubuntu8.1 wpasupplicant 2:2.9-1ubuntu8.1 Ubuntu 20.04 LTS: hostapd 2:2.9-1ubuntu4.2 wpasupplicant 2:2.9-1ubuntu4.2 Ubuntu 18.04 LTS: hostapd 2:2.6-15ubuntu2.7 wpasupplicant 2:2.6-15ubuntu2.7 Ubuntu 16.04 LTS: hostapd 1:2.4-0ubuntu6.7 wpasupplicant 2.4-0ubuntu6.7 After a standard system update you need to reboot your computer to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4734-1

CVE-2020-12695, CVE-2021-0326

Severity
critical
Lowest
Low
Medium
High
Critical

February 11, 2021

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu heap overflow ubuntu wpa_supplicant hostapd

Package Information

https://launchpad.net/ubuntu/+source/wpa/2:2.9-1ubuntu8.1 https://launchpad.net/ubuntu/+source/wpa/2:2.9-1ubuntu4.2 https://launchpad.net/ubuntu/+source/wpa/2:2.6-15ubuntu2.7 https://launchpad.net/ubuntu/+source/wpa/2.4-0ubuntu6.7

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