{"id":"OSV-2026-1429","aliases":[],"status":"published","title":"Use-of-uninitialized-value in nlohmann::json_abi_v3_12_0::detail::binary_reader\u003cnlohmann::json_abi_v3_12_0::ba","description":"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\u003cnlohmann::json_abi_v3_12_0::ba\nnlohmann::json_abi_v3_12_0::detail::binary_reader\u003cnlohmann::json_abi_v3_12_0::ba\nnlohmann::json_abi_v3_12_0::basic_json\u003cstd::__1::map, std::__1::vector, std::__1\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-10-22T00:15:07.426499Z","modified":"2026-10-24T16:15:03Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"json","ranges":[{"type":"GIT","events":[{"introduced":"cc8334113c8672433bf2d656ef60d14cd57867c4"},{"fixed":"08d7fbb0a1ae77b612ee0f4c839ddbe2462f6127"},{"fixed":"2dc1e548563823ff103a383894b735c51963db76"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=575915982","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-1429","title":"Use-of-uninitialized-value in nlohmann::json_abi_v3_12_0::detail::binary_reader\u003cnlohmann::json_abi_v3_12_0::ba","description":"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\u003cnlohmann::json_abi_v3_12_0::ba\nnlohmann::json_abi_v3_12_0::detail::binary_reader\u003cnlohmann::json_abi_v3_12_0::ba\nnlohmann::json_abi_v3_12_0::basic_json\u003cstd::__1::map, std::__1::vector, std::__1\n```\n","status":"published","published":"2026-10-22T00:15:07.426499Z","modified":"2026-10-24T16:15:03.261300525Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}