CVE-2021-39680

—

CVSS 3.1

4.4 medium

EPSS

<1%p2

Published

Jan 14, 2022 (Jan 14, 2022)

Modified

Jun 17, 2026

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

Vendors: google
Products: android
Weakness: CWE-908
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.1%)

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