High severity7.8NVD Advisory· Published Oct 14, 2020· Updated Jun 17, 2026
CVE-2020-0421
CVE-2020-0421
Description
In appendFormatV of String8.cpp, there is a possible out of bounds write due to incorrect error handling. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11 Android-8.0Android ID: A-161894517
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Android/Androiddescription
- Range: 8.0–11
Patches
Vulnerability mechanics
References
1- source.android.com/security/bulletin/2020-10-01nvdPatchVendor Advisory
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