{"id":"PUB-A-179161711", "published":"2021-06-01T00:00:00Z", "modified":"2026-07-09T15:25:53.339171538Z", "aliases":["CVE-2021-0555", "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.", "affected":[{"package":{"name":"platform/external/protobuf", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"11:0"}, {"fixed":"11:2021-06-01"}]}], "versions":["11"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/external/protobuf/+/b866b6d10ac195e863e30c5bccfe3b4426435ca4"], "severity":"Moderate", "spl":"2021-06-01", "types":["DoS"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"191761877795629199464799725875304065417", "length":467}, "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"}}, {"deprecated":false, "digest":{"line_hashes":["245034373857113780041875752129992714913", "21975218960219683772307156259608762430", "109622698368631723887820184334208668851", "185224104191637818830714443842123372213"], "threshold":0.9}, "id":"PUB-A-179161711-d3059fc1", "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"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2021-06-01"}, {"type":"FIX", "url":"https://android.googlesource.com/platform/external/protobuf/+/b866b6d10ac195e863e30c5bccfe3b4426435ca4"}]}