Recently, Google released the August 2019 Android security patch, which fixes various security vulnerabilities discovered in the past month and fixes some bugs in the Pixel series of phones. Applicable to all Google devices running Android 9 Pie mobile system, August 2019 Android security patch is divided into 2019-08-01 and 2019-08-05 security patch levels, a total of 26 security vulnerabilities have been fixed.
This month’s Android security patch fixes Android runtime, Media framework, Android system and framework, Broadcom and Qualcomm components, and other critical vulnerabilities affecting Android system components. According to the bulletin, “The most severe of these issues is a critical security vulnerability in the System component that could enable a remote attacker using a specially crafted PAC file to execute arbitrary code within the context of a privileged process. The severity assessment is based on the effect that exploiting the vulnerability would possibly have on an affected device, assuming the platform and service mitigations are turned off for development purposes or if successfully bypassed.”
The August 2019 Android security patch also brought more solid improvements and security fixes to all supported Pixel devices. In the Pixel Update Bulletin, released on August 2019, three vulnerabilities existed in Qualcomm components, including Pixel device closed source components, and improved sleep modes for Pixel 3a and Pixel 3a XL.
In addition, this month’s Android security patch has improved WiFi network configuration for Pixel, Pixel XL, Pixel 2, Pixel 2 XL, Pixel 3, Pixel 3 XL, Pixel 3a and Pixel 3a XL, which improves the stability of Wi-Fi CaptivePortalLogin.