CVE-2021-0587

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: 2021-07-14 · updated 2026-06-17
Weakness: CWE-416

Description

In StreamOut::prepareForWriting of StreamOut.cpp, there is a possible out of bounds write 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-8.1 Android-9 Android-10 Android-11Android ID: A-185259758

Affected products

Android: 8.1, 9.0, 10.0, 11.0

References

https://source.android.com/security/bulletin/2021-07-01
https://source.android.com/security/bulletin/2021-07-01

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