Vulnerability Database

318,273

Total vulnerabilities in the database

CVE-2021-39623

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

  • Published: Jan 14, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-39623
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 10
  • AV:N/AC:L/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
google / android 9.0 9.0.x
google / android 10.0 10.0.x
google / android 11.0 11.0.x
google / android 12.0 12.0.x