CVE-2021-39623

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

In doRead of SimpleDecodingSource.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-194105348

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 14, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-39623: Critical severity, CVSS 9.8 | Vulnix