{"id":"OSV-2026-752","aliases":[],"status":"published","title":"Heap-buffer-overflow in Mat_VarGetStructsLinear","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513434228\n\n```\nCrash type: Heap-buffer-overflow WRITE 8\nCrash state:\nMat_VarGetStructsLinear\nmatio_struct_cell_fuzzer.cpp\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-05-17T00:02:54.244194Z","modified":"2026-05-17T00:02:54Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"matio","ranges":[{"type":"GIT","events":[{"introduced":"ac1c67c687533d2de55f96709ed4512d4c197801"},{"fixed":"b838137cf3434bfe98bd9f1da904cb83eff4b804"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513434228","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-752","title":"Heap-buffer-overflow in Mat_VarGetStructsLinear","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513434228\n\n```\nCrash type: Heap-buffer-overflow WRITE 8\nCrash state:\nMat_VarGetStructsLinear\nmatio_struct_cell_fuzzer.cpp\n```\n","status":"published","published":"2026-05-17T00:02:54.244194Z","modified":"2026-05-17T00:02:54.244689Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}