{"id":"PUB-A-179161711","details":"In RenderStruct of protostream_objectsource.cc, there is a possible crash due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-179161711","CVE-2021-0555"],"modified":"2026-09-22T15:22:15.314525410Z","published":"2021-06-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-06-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/external/protobuf/+/b866b6d10ac195e863e30c5bccfe3b4426435ca4"}],"affected":[{"package":{"name":"platform/external/protobuf","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-06-01"}]}],"versions":["11"],"ecosystem_specific":{"types":["DoS"],"vanir_signatures":[{"deprecated":false,"digest":{"length":467,"function_hash":"191761877795629199464799725875304065417"},"id":"PUB-A-179161711-7be37d8c","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/external/protobuf/+/b866b6d10ac195e863e30c5bccfe3b4426435ca4","target":{"file":"src/google/protobuf/util/internal/protostream_objectsource.cc","function":"ProtoStreamObjectSource::RenderStruct"}},{"signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/external/protobuf/+/b866b6d10ac195e863e30c5bccfe3b4426435ca4","target":{"file":"src/google/protobuf/util/internal/protostream_objectsource.cc"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["245034373857113780041875752129992714913","21975218960219683772307156259608762430","109622698368631723887820184334208668851","185224104191637818830714443842123372213"]},"id":"PUB-A-179161711-d3059fc1"}],"fixes":["https://android.googlesource.com/platform/external/protobuf/+/b866b6d10ac195e863e30c5bccfe3b4426435ca4"],"severity":"Moderate","spl":"2021-06-01"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-179161711.json"}}],"schema_version":"1.9.0"}