Critical severity9.8NVD Advisory· Published Jan 14, 2022· Updated Jun 17, 2026

CVE-2021-39623

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Google/Android SDKcpe-rescue
Android X86/android-x86llm-fuzzy
Range: 10, 11, 12, 9

Patches

Vulnerability mechanics

References

source.android.com/security/bulletin/2022-01-01nvdVendor Advisory

News mentions

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cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000