{"id":"CVE-2020-36428","aliases":["DEBIAN-CVE-2020-36428","EUVD-2020-23956","GHSA-7vx7-pfcr-mqc8","MGASA-2022-0465","UBUNTU-CVE-2020-36428","openSUSE-SU-2022:10235-1","openSUSE-SU-2024:12079-1"],"status":"published","title":"matio (aka MAT File I/O Library) 1.5.18 through 1.5.21 has a heap-based buffer overflow in...","description":"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).","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01385,"percentile":0.7256,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2021-07-20T06:47:45Z","modified":"2026-10-26T12:02:49Z","fixes":[{"ecosystem":"Debian:12","package":"libmatio","fixed_in":["1.5.22-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libmatio","fixed_in":["1.5.22-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libmatio","fixed_in":["1.5.22-1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"matio","fixed_in":["1.5.23-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.22-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.22-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.22-1"}]}]},{"source":"osv","ecosystem":"Mageia:8","package":"matio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.23-1.mga8"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.19-2","1.5.21-1","1.5.21-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP4","package":"matio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.23-bp154.2.3.1"}]}],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Leap 15.4","package":"matio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.23-bp154.2.3.1"}]}],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"matio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.23-1.1"}]}]}],"products":[{"vendor":"matio_project","product":"matio"}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21421","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2020-799.yaml","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36428"},{"url":"https://github.com/advisories/GHSA-7vx7-pfcr-mqc8"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-36428","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2022-0465.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=31246","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/DWEPRACQNMJHSGWUZQ5LKNVGWSZ6FMCB/","tags":["web","advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-36428","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-36428","tags":["report"]},{"url":"https://bugzilla.suse.com/1193873","tags":["report"]},{"url":"https://bugzilla.suse.com/1193874","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-36428","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-36977","tags":["web"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-36428","description":"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).","status":"published","published":"2021-07-20T06:47:45Z","modified":"2024-08-04T17:30:08.16Z","updated_at":"2026-11-02T14:35:55.128961Z"}],"euvd":[{"id":"EUVD-2020-23956","description":"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).","status":"published","published":"2021-07-20T06:47:45Z","modified":"2024-08-04T17:30:08Z","updated_at":"2026-11-03T03:07:03.010139Z"}],"ghsa":[{"id":"GHSA-7vx7-pfcr-mqc8","title":"matio (aka MAT File I/O Library) 1.5.18 through 1.5.21 has a heap-based buffer overflow in...","description":"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).","status":"published","published":"2022-05-24T19:08:30Z","modified":"2023-01-30T05:00:53Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:17.249643Z"}],"nvd":[{"id":"CVE-2020-36428","description":"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).","status":"published","published":"2021-07-20T07:15:07.73Z","modified":"2026-06-17T03:15:28.237Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:44.292752Z"}],"osv":[{"id":"CVE-2020-36428","description":"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).","status":"published","published":"2021-07-20T07:15:07.73Z","modified":"2026-10-24T10:31:01.224889583Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:16.936975Z"},{"id":"DEBIAN-CVE-2020-36428","description":"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).","status":"published","published":"2021-07-20T07:15:07.73Z","modified":"2026-10-26T12:02:49.317011724Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:34.019707Z"},{"id":"UBUNTU-CVE-2020-36428","description":"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).","status":"published","published":"2021-07-20T07:15:00Z","modified":"2026-04-22T12:41:44.296801Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:25.179924Z"},{"id":"MGASA-2022-0465","title":"Updated matio packages fix security vulnerability","description":"matio (aka MAT File I/O Library) 1.5.18 through 1.5.21 has a heap-based\nbuffer overflow in ReadInt32DataDouble (called from ReadInt32Data and\nMat_VarRead4). (CVE-2020-36428)\n\nmatio (aka MAT File I/O Library) 1.5.20 and 1.5.21 has a heap-based\nbuffer overflow in H5MM_memcpy (called from H5MM_malloc and\nH5C_load_entry), related to use of HDF5 1.12.0. (CVE-2021-36977)\n","status":"published","published":"2022-12-13T22:09:19Z","modified":"2026-04-16T04:43:52.831866124Z","updated_at":"2026-11-02T15:49:42.263076Z"},{"id":"openSUSE-SU-2022:10235-1","title":"Security update for matio","description":"This update for matio fixes the following issues:\n\nUpdate to version 1.5.23:\n\n  * Fixed testsuite regression from version 1.5.22.\n\nChanges from version 1.5.22:\n\n* Added support for reading large MAT file.\n* Updated cmake-conan to version 0.17.0.\n* Fixed CMake build with Conan (MATIO_USE_CONAN:BOOL=ON).\n* Fixed data type when reading 16-bit character data from HDF5\n  MAT file.\n* Fixed heap-based buffer overflows when reading (crafted) MAT\n  file (CVE-2020-36428, CVE-2021-36977).\n* Confirmed compatibility with HDF5 v1.13.0 and v1.13.1.\n* Several other fixes, for example for memory leaks.\n","status":"published","published":"2022-12-07T23:02:53Z","modified":"2026-02-04T02:53:48.677818Z","updated_at":"2026-11-02T16:58:32.653274Z"},{"id":"openSUSE-SU-2024:12079-1","title":"libmatio-devel-1.5.23-1.1 on GA media","description":"These are all security issues fixed in the libmatio-devel-1.5.23-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:20:22.889225Z","updated_at":"2026-11-02T16:58:35.485255Z"}]}}