{"id":"PUB-A-181346545","details":"In nfaHciCallback of HciEventManager.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure over NFC with System execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-181346545","CVE-2021-0996"],"modified":"2026-09-21T16:00:45.521740994Z","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/packages/apps/Nfc/+/d0036c14c0a6da7f0567f90052ecbbd4657e42f5"}],"affected":[{"package":{"name":"platform/packages/apps/Nfc","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2021-12-01"}]}],"versions":["12"],"ecosystem_specific":{"spl":"2021-12-01","types":["ID"],"vanir_signatures":[{"deprecated":false,"digest":{"function_hash":"172923655756302291063356266705277028508","length":1127},"id":"PUB-A-181346545-3dc4e98f","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Nfc/+/d0036c14c0a6da7f0567f90052ecbbd4657e42f5","target":{"function":"HciEventManager::nfaHciCallback","file":"nci/jni/HciEventManager.cpp"}},{"signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Nfc/+/d0036c14c0a6da7f0567f90052ecbbd4657e42f5","target":{"file":"nci/jni/HciEventManager.cpp"},"deprecated":false,"digest":{"line_hashes":["318035084337290619674740155915310510867","86137731946867326805606705081369926130","286564177019519813437093599060059642402","11876562026318324878696478696135779449","113336880759440159700332416151799658294","314195783414381717693130490562681532941","199756952328838585389425144633112623955","93734117183106986541042974404983304804","78843905427150278030523467609738593472","44625852898386418973852311755032259448","70069643358981674564266814711647675555","278693986712162930792261506515603221196","269054370538398151964396198189849018763","221760561883641550706662575064371821485","8800284596126465199717721093475055653","283554715526979460669321300352238192783","306863464749530576741797108917293002611","243786863521775750259705421927072140392"],"threshold":0.9},"id":"PUB-A-181346545-ac6d5093"}],"fixes":["https://android.googlesource.com/platform/packages/apps/Nfc/+/d0036c14c0a6da7f0567f90052ecbbd4657e42f5"],"severity":"Moderate"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-181346545.json"}}],"schema_version":"1.9.0"}