{"schema_version":"1.9.0","id":"OSV-2026-1429","published":"2026-10-22T00:15:07.426499Z","modified":"2026-10-24T16:15:03.261300525Z","summary":"Use-of-uninitialized-value in nlohmann::json_abi_v3_12_0::detail::binary_reader<nlohmann::json_abi_v3_12_0::ba","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=575915982\n\n```\nCrash type: Use-of-uninitialized-value\nCrash state:\nnlohmann::json_abi_v3_12_0::detail::binary_reader<nlohmann::json_abi_v3_12_0::ba\nnlohmann::json_abi_v3_12_0::detail::binary_reader<nlohmann::json_abi_v3_12_0::ba\nnlohmann::json_abi_v3_12_0::basic_json<std::__1::map, std::__1::vector, std::__1\n```\n","affected":[{"package":{"name":"json","ecosystem":"OSS-Fuzz","purl":"pkg:generic/json"},"ranges":[{"type":"GIT","repo":"https://github.com/nlohmann/json.git","events":[{"introduced":"cc8334113c8672433bf2d656ef60d14cd57867c4"},{"fixed":"08d7fbb0a1ae77b612ee0f4c839ddbe2462f6127"},{"fixed":"2dc1e548563823ff103a383894b735c51963db76"}]}],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"fixed_range":"a55cae45fd0333738be2c38c5adcec50a2f22729:2dc1e548563823ff103a383894b735c51963db76","introduced_range":"0e95fe8200adbf0e033d0c0818eea473e1d4d346:4da932f518feb262d29b08aedec10ec0c45fa501","source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/json/OSV-2026-1429.yaml"}}],"references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=575915982"}]}