While not as packaged as last month’s quiet feature drop, the April security patch is being released today to fix bugs in Pixel 3, Pixel 3a, Pixel 4, Pixel 4a, Pixel 4a (5G) and Pixel 5.
There are 19 issues resolved in the April security patch dated 2021-04-01 and 18 for 2021-04-05. The vulnerabilities range from high to critical, with the most severe related to the media structure and a remote attacker possibly executing arbitrary code through a created file.
In the latest Android Security & Privacy Year in Review, Google notes that “no critical security vulnerabilities affecting the Android platform have been publicly disclosed without a security update or mitigation available for Android devices.” In addition, there was an 84% jump year-over-year in security patches during the fourth quarter of 2018 compared to the previous year.
The dedicated bulletin for Google devices lists 3 security fixes and 5 functional updates. The Verizon version for the Pixel 5 and Pixel 4a 5G was not released simultaneously.
- Pixel 5: RQ2A.210405.005 (all operators except Verizon) – Factory image – OTA
- Pixel 4a 5G: RQ2A.210405.005 (all operators except Verizon) – Factory image – OTA
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