{"id":"PUB-A-191772737","details":"In isRequestPinItemSupported of ShortcutService.java, there is a possible cross-user leak of packages in which the default launcher supports requests to create pinned shortcuts due to a permissions bypass. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-191772737","CVE-2021-0979"],"modified":"2026-09-22T15:22:15.314525410Z","published":"2021-12-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-12-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/frameworks/base/+/19a655d70c100253b5874f3d9b751877b348e5c4"}],"affected":[{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2021-12-01"}]}],"versions":["12"],"ecosystem_specific":{"vanir_signatures":[{"signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/19a655d70c100253b5874f3d9b751877b348e5c4","target":{"function":"isRequestPinItemSupported","file":"services/core/java/com/android/server/pm/ShortcutService.java"},"deprecated":false,"digest":{"function_hash":"20019307612805279700070373041513461030","length":187},"id":"PUB-A-191772737-30764d06","signature_type":"Function"},{"signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/19a655d70c100253b5874f3d9b751877b348e5c4","target":{"file":"services/core/java/com/android/server/pm/ShortcutService.java"},"deprecated":false,"digest":{"line_hashes":["292075990643606661094619884977815722966","304524556732553160900539777446061845520","240085421403021500153966743383886251911","300472156381034102960503631097265191332","43948770902719980270399135770899431815","62782065868543866321021354731174660903","72223295225094505236641656585160508020"],"threshold":0.9},"id":"PUB-A-191772737-d95ed19b","signature_type":"Line"}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/19a655d70c100253b5874f3d9b751877b348e5c4"],"severity":"Moderate","spl":"2021-12-01","types":["ID"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-191772737.json"}}],"schema_version":"1.9.0"}