parsestring in cJSON before 1.7.18 has a heap-based buffer over-read via {"1":1, with no trailing newline if cJSONParseWithLength is called.
{ "binaries": [ { "binary_name": "libcjson-dev", "binary_version": "1.7.10-1.1" }, { "binary_name": "libcjson1", "binary_version": "1.7.10-1.1" } ] }
{ "binaries": [ { "binary_name": "libcjson-dev", "binary_version": "1.7.15-1ubuntu0.1~esm2" }, { "binary_name": "libcjson1", "binary_version": "1.7.15-1ubuntu0.1~esm2" } ] }
{ "binaries": [ { "binary_name": "libcjson-dev", "binary_version": "1.7.17-1ubuntu0.1~esm2" }, { "binary_name": "libcjson1", "binary_version": "1.7.17-1ubuntu0.1~esm2" } ] }