CVE-2023-21372: Google Android design flaw, component Libdexfile triggers an out-of-bounds vulnerability. (31st Oct 2023)

Preface: Many users agree that learning Apex is simpler than learning Java because there is less syntax.

Background: Apex is a proprietary language developed by It is a strongly typed, object-oriented programming language that allows developers to execute flow and transaction control statements on the platform server in conjunction with calls to the API.

Remark: If file (libdexfile[.]so) is belongs APEX_MODULE_LIBS. Whereby, I change my security focus appoint to APEX proprietary language.

Vulnerability details: In libdexfile, there is a possible out of bounds read due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Remark: Due to the limited details released in the vulnerability advisory. See if attached diagram situations can trigger similar faults?

Official announcement: Please refer to the link for details –

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