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CVE-2023-21118

MediumPublished

In unflattenString8 of Sensor.cpp, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure...

Published: May 15, 2023
Updated: Jan 31, 2025
Assigning CNA: google_android
Evidence observed: Aug 8, 2026

Primary CVSS

6.2/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

0.2%

Low · next 30 days

Percentile: 10.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

In unflattenString8 of Sensor.cpp, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-269014004

Sources

frameworks_native_AOSP10_r33_CVE-2023-21118Exploit
Exploit or analysis code for CVE-2023-21118 in Android frameworks_native, targeting AOSP 10 r33. Provides vulnerability research and exploitation for Android platform.
frameworks_native_AOSP-10_r33_CVE-2023-21118Unknown
Exploit or patch for CVE-2023-21118 in Android frameworks/native (AOSP 10 r33).

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