What is CVE-2021-0587?

CVE-2021-0587 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2021-07-14.

How severe is CVE-2021-0587?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Google Android

CVE-2021-0587

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

Vulnerability class: Use-After-Free

EPSS: 0.001 (3.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 8.1, 9.0, 10.0
N/a Android — versions Android-8.1 Android-9 Android-10 Android-11

Weakness classification (CWE)

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0587?: CVE-2021-0587 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2021-07-14.
How severe is CVE-2021-0587?: High severity. CVSS v3 base score is 7.8 out of 10.