{"id":"UBUNTU-CVE-2020-36428","details":"matio (aka MAT File I/O Library) 1.5.18 through 1.5.21 has a heap-based buffer overflow in ReadInt32DataDouble (called from ReadInt32Data and Mat_VarRead4).","modified":"2026-04-22T12:41:44.296801Z","published":"2021-07-20T07:15:00Z","upstream":["CVE-2020-36428"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36428"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21421"},{"type":"REPORT","url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2020-799.yaml"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-36428"}],"affected":[{"package":{"name":"libmatio","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/libmatio@1.5.21-1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.19-2","1.5.21-1","1.5.21-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libmatio11","binary_version":"1.5.21-1ubuntu0.1~esm1"},{"binary_version":"1.5.21-1ubuntu0.1~esm1","binary_name":"matio-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-36428.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}