{"id":"OSV-2026-699","summary":"Use-of-uninitialized-value in Mat_VarGetSize","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=510360595\n\n```\nCrash type: Use-of-uninitialized-value\nCrash state:\nMat_VarGetSize\nMatioRead\nmatio_fuzzer.cpp\n```\n","modified":"2026-05-08T12:32:37.987368Z","published":"2026-05-08T00:20:46.769191Z","references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=510360595"}],"affected":[{"package":{"name":"matio","ecosystem":"OSS-Fuzz","purl":"pkg:generic/matio"},"ranges":[{"type":"GIT","repo":"https://github.com/tbeu/matio.git","events":[{"introduced":"3e212333bbd2c399076b5aebc421a17837159542"},{"fixed":"a612042028b9d37293eb4659a12472ea53461674"}]}],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2026-699.yaml","introduced_range":"dd03ca519446c680a01788dcc8a0a3048a736462:070cd4b945e775f32cc4f090eb1808a78152b6b2"}}],"schema_version":"1.7.5"}