{"id":"PUB-A-224002331","details":"In rw_t3t_act_handle_check_ndef_rsp of rw_t3t.cc, there is a possible out of bounds read due to an integer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-224002331","CVE-2022-20516"],"modified":"2026-09-21T16:00:45.521740994Z","published":"2022-12-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2022-12-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/system/nfc/+/4fd8d813df85b0de878b7f2912d45b77a437e444"}],"affected":[{"package":{"name":"platform/system/nfc","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2022-12-01"}]}],"versions":["13"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/system/nfc/+/4fd8d813df85b0de878b7f2912d45b77a437e444"],"severity":"Moderate","spl":"2022-12-01","types":["ID"],"vanir_signatures":[{"source":"https://android.googlesource.com/platform/system/nfc/+/4fd8d813df85b0de878b7f2912d45b77a437e444","target":{"file":"src/nfc/tags/rw_t3t.cc","function":"rw_t3t_act_handle_check_ndef_rsp"},"deprecated":false,"digest":{"function_hash":"25246911335427480472954836034432788002","length":2474},"id":"PUB-A-224002331-0a59d599","match_only_versions":["13"],"signature_type":"Function","signature_version":"v1"},{"source":"https://android.googlesource.com/platform/system/nfc/+/4fd8d813df85b0de878b7f2912d45b77a437e444","target":{"file":"src/nfc/tags/rw_t3t.cc"},"deprecated":false,"digest":{"line_hashes":["22381193786542471940791968483065738366","192643457400772766890422978089045290033","40953089780590608569834007832415500943","738933561183131679562303088462600980"],"threshold":0.9},"id":"PUB-A-224002331-f70365b4","match_only_versions":["13"],"signature_type":"Line","signature_version":"v1"}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-224002331.json"}}],"schema_version":"1.9.0"}