{"id":"OSV-2026-650","summary":"Use-of-uninitialized-value in Mat_int32Swap","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=506942183\n\n```\nCrash type: Use-of-uninitialized-value\nCrash state:\nMat_int32Swap\nReadCompressedInt32Data\nMat_VarRead5\n```\n","modified":"2026-04-29T14:45:30.097187Z","published":"2026-04-29T00:19:17.230021Z","references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=506942183"}],"affected":[{"package":{"name":"matio","ecosystem":"OSS-Fuzz","purl":"pkg:generic/matio"},"ranges":[{"type":"GIT","repo":"https://github.com/tbeu/matio.git","events":[{"introduced":"95ef616e596c15a72abed28ab0b3f6b72bd6e691"},{"fixed":"a3e837350f28232a3a16e901d989049b6866a0bc"},{"fixed":"2f89a7e9ebe198f16b62048dd02cd6de5dc47573"}]}],"versions":["v1.5.30"],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2026-650.yaml","fixed_range":"5df1d83e0f81b8e82073d34302c7714ea3a8eeb0:2f89a7e9ebe198f16b62048dd02cd6de5dc47573"}}],"schema_version":"1.7.5"}