{"id":"OSV-2026-699","aliases":[],"status":"published","title":"Use-of-uninitialized-value in Mat_VarGetSize","description":"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```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-05-08T00:20:46.769191Z","modified":"2026-05-08T00:20:46Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"matio","ranges":[{"type":"GIT","events":[{"introduced":"3e212333bbd2c399076b5aebc421a17837159542"},{"fixed":"a612042028b9d37293eb4659a12472ea53461674"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=510360595","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-699","title":"Use-of-uninitialized-value in Mat_VarGetSize","description":"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","status":"published","published":"2026-05-08T00:20:46.769191Z","modified":"2026-05-08T00:20:46.769443Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}