{"id":"PUB-A-197328178","details":"In isFileUri of UriUtil.java, there is a possible way to bypass ignoring file://URI attachment  due to improper handling of case sensitivity. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.","aliases":["A-197328178","CVE-2021-0973"],"modified":"2026-09-18T15:47:37.392928379Z","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/Messaging/+/58ee29c68e1914af680ef0658bdb7a94e4e5e3a3"}],"affected":[{"package":{"name":"platform/packages/apps/Messaging","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":"215906812200237166193055551140352639749","length":144},"id":"PUB-A-197328178-42d4e8a5","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Messaging/+/58ee29c68e1914af680ef0658bdb7a94e4e5e3a3","target":{"function":"isFileUri","file":"src/com/android/messaging/util/UriUtil.java"}},{"signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Messaging/+/58ee29c68e1914af680ef0658bdb7a94e4e5e3a3","target":{"file":"src/com/android/messaging/util/UriUtil.java"},"deprecated":false,"digest":{"line_hashes":["103653353624183390521670018533190571615","133813972390159506732618602924434228330","249063719175213754932534929031738680016","331358903205481392733917350499276060077","139158967101698425159438100258288722224"],"threshold":0.9},"id":"PUB-A-197328178-6c72e01b","signature_type":"Line"}],"fixes":["https://android.googlesource.com/platform/packages/apps/Messaging/+/58ee29c68e1914af680ef0658bdb7a94e4e5e3a3"],"severity":"Moderate"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-197328178.json"}}],"schema_version":"1.9.0"}