CVE-2021-39680

MEDIUM

Android - Local Information Disclosure via Uninitialized Data in sec_SHA256_Transform

Title source: llm
STIX 2.1

Description

In sec_SHA256_Transform of sha256_core.c, there is a possible way to read heap data due to uninitialized data. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-197965864References: N/A

References (1)

Core 1
Core References

Scores

CVSS v3 4.4
EPSS 0.0012
EPSS Percentile 1.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-908
Status published
Products (1)
google/android
Published Jan 14, 2022
Tracked Since Feb 18, 2026