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Vulnerability record · CVE-2021-39675 · published 11 February 2022

CVE-2021-39675: Google android out-of-bounds write vulnerability

Google · Android

In GKI_getbuf of gki_buffer.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-205729183

9.8 CVSS 3.1 Critical EPSS 5.9% · top 7.0% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score, v2 10.0
5.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

In GKI_getbuf of gki_buffer.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-205729183

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://source.android.com/security/bulletin/2022-02-01 Vendor Advisory
https://source.android.com/security/bulletin/2022-02-01 Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-39675), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.