CVE-2021-0429

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-04-13 · updated 2026-06-17
Weakness: CWE-416

Description

In pollOnce of ALooper.cpp, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-175074139

Affected products

Android: 8.1, 9.0, 10.0, 11.0

References

https://source.android.com/security/bulletin/2021-04-01
https://source.android.com/security/bulletin/2021-04-01

Get alerted when CVE-2021-0429 or the next vulnerability affects your stack