Pixel Update Bulletin—August 2019

Published August 5, 2019 | Updated August 13, 2019

The Pixel  Update Bulletin contains details of security vulnerabilities and functional improvements affecting supported Pixel devices (Google devices). For Google devices, security patch levels of 2019-08-01 or later address, at a minimum, all issues in this bulletin and all issues associated with the 2019-08-01 security patch level in the August 2019 Android Security Bulletin. To learn how to check a device's security patch level, see Check and update your Android version.

All supported Google devices will receive an update to the 2019-08-01 patch level. We encourage all customers to accept these updates to their devices.

Note: The Google device firmware images are available on the Google Developer site.

Announcements

In addition to the 2019-08-01 security patch level security vulnerabilities described in the August 2019 Android Security Bulletin, Google devices contain patches for the security vulnerabilities described below. Partners were notified of these issues at least a month ago and may choose to incorporate them as part of their device updates.

Security patches

Vulnerabilities are grouped under the component that they affect. There is a description of the issue and a table with the CVE, associated references, type of vulnerability, severity, and updated Android Open Source Project (AOSP) versions (where applicable). When available, we link the public change that addressed the issue to the bug ID, like the AOSP change list. When multiple changes relate to a single bug, additional references are linked to numbers following the bug ID.

Media framework

CVE References Type Severity Updated AOSP versions
CVE-2019-2127 A-124899895 EoP High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9

System

CVE References Type Severity Updated AOSP versions
CVE-2019-9506 A-124301137 [2] ID High 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9

Qualcomm components

CVE References Type Severity Subcomponent
CVE-2019-10538 A-132193791
QC-CR#2448763
N/A High WLAN

Qualcomm closed-source components

CVE References Type Severity Subcomponent
CVE-2019-10539 A-135126805 N/A Critical Closed-source component
CVE-2019-10540 A-135126805 N/A Critical Closed-source component

Functional patches

These updates are included for affected Google devices to address functionality issues not related to the security of Google devices. The table includes associated references; the affected category, such as Bluetooth or mobile data; improvements; and affected devices.

References Category Improvements Devices
A-128318105 Connectivity Saved WiFi network configuration improvements Pixel, Pixel XL, Pixel 2, Pixel 2 XL, Pixel 3, Pixel 3 XL, Pixel 3a, Pixel 3a XL
A-135472173 Connectivity WiFi CaptivePortalLogin stability improvements Pixel, Pixel XL, Pixel 2, Pixel 2 XL, Pixel 3, Pixel 3 XL, Pixel 3a, Pixel 3a XL
A-132736293 Stability Sleep mode improvements Pixel 3a, Pixel 3a XL

Common questions and answers

This section answers common questions that may occur after reading this bulletin.

1. How do I determine if my device is updated to address these issues?

Security patch levels of 2019-08-01 or later address all issues associated with the 2019-08-01 security patch level and all previous patch levels. To learn how to check a device's security patch level, read the instructions on the Google device update schedule.

2. What do the entries in the Type column mean?

Entries in the Type column of the vulnerability details table reference the classification of the security vulnerability.

Abbreviation Definition
RCE Remote code execution
EoP Elevation of privilege
ID Information disclosure
DoS Denial of service
N/A Classification not available

3. What do the entries in the References column mean?

Entries under the References column of the vulnerability details table may contain a prefix identifying the organization to which the reference value belongs.

Prefix Reference
A- Android bug ID
QC- Qualcomm reference number
M- MediaTek reference number
N- NVIDIA reference number
B- Broadcom reference number

4. What does an * next to the Android bug ID in the References column mean?

Issues that are not publicly available have an * next to the Android bug ID in the References column. The update for that issue is generally contained in the latest binary drivers for Pixel devices available from the Google Developer site.

5. Why are security vulnerabilities split between this bulletin and the Android Security Bulletins?

Security vulnerabilities that are documented in the Android Security Bulletins are required to declare the latest security patch level on Android devices. Additional security vulnerabilities, such as those documented in this bulletin are not required for declaring a security patch level.

Versions

Version Date Notes
1.0 August 5, 2019 Bulletin published.
1.1 August 12, 2019 Bulletin revised to include issues announced at recent security conferences as part of a coordinated disclosure with affected parties