{"id":"PUB-A-197965864","details":"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.","aliases":["A-197965864","CVE-2021-39680"],"modified":"2026-05-29T15:55:33.750044621Z","published":"2022-01-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2022-01-01"}],"affected":[{"package":{"name":":unknown:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"Pixel-family specific:0"},{"fixed":"Pixel-family specific:2022-01-05"}]}],"versions":["Pixel-family specific"],"ecosystem_specific":{"spl":"2022-01-05","severity":"High","types":["ID"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-197965864.json"}}],"schema_version":"1.7.5"}