{"id":"CVE-2019-9031","aliases":["DEBIAN-CVE-2019-9031","EUVD-2019-18418","GHSA-gg4r-q765-2qj4","UBUNTU-CVE-2019-9031"],"status":"published","title":"An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a NULL...","description":"An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a NULL pointer dereference in the function Mat_VarFree() in mat.c.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01671,"percentile":0.76964,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2019-02-23T12:00:00Z","modified":"2026-10-20T10:51:43Z","fixes":[{"ecosystem":"Debian:12","package":"libmatio","fixed_in":["1.5.13-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libmatio","fixed_in":["1.5.13-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libmatio","fixed_in":["1.5.13-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.13-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.13-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.13-2"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.1-1","1.5.2-1","1.5.2-1ubuntu1","1.5.2-1ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.2-3build2","1.5.3-1","1.5.3-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.10-1","1.5.11-1","1.5.11-1ubuntu0.1~esm1"]}],"products":[{"vendor":"matio_project","product":"matio"}],"references":[{"url":"https://github.com/tbeu/matio/issues/103","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://github.com/TeamSeri0us/pocs/tree/master/matio","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9031"},{"url":"https://github.com/advisories/GHSA-gg4r-q765-2qj4"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-9031","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-9031","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-9031","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-9031","description":"An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a NULL pointer dereference in the function Mat_VarFree() in mat.c.","status":"published","published":"2019-02-23T12:00:00Z","modified":"2024-08-04T21:38:45.573Z","updated_at":"2026-11-02T14:20:20.397093Z"}],"euvd":[{"id":"EUVD-2019-18418","description":"An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a NULL pointer dereference in the function Mat_VarFree() in mat.c.","status":"published","published":"2019-02-23T12:00:00Z","modified":"2024-08-04T21:38:45Z","updated_at":"2026-11-03T03:06:40.408517Z"}],"ghsa":[{"id":"GHSA-gg4r-q765-2qj4","title":"An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a NULL...","description":"An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a NULL pointer dereference in the function Mat_VarFree() in mat.c.","status":"published","published":"2022-05-14T01:30:40Z","modified":"2023-02-02T05:03:46Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:51:42.915943Z"}],"nvd":[{"id":"CVE-2019-9031","description":"An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a NULL pointer dereference in the function Mat_VarFree() in mat.c.","status":"published","published":"2019-02-23T12:29:00.693Z","modified":"2026-06-17T02:42:57.453Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:05:04.689371Z"}],"osv":[{"id":"CVE-2019-9031","description":"An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a NULL pointer dereference in the function Mat_VarFree() in mat.c.","status":"published","published":"2019-02-23T12:29:00.693Z","modified":"2026-10-20T10:51:43.565961489Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:12.974481Z"},{"id":"DEBIAN-CVE-2019-9031","description":"An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a NULL pointer dereference in the function Mat_VarFree() in mat.c.","status":"published","published":"2019-02-23T12:29:00.693Z","modified":"2026-09-21T07:03:25.398248385Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:32.57265Z"},{"id":"UBUNTU-CVE-2019-9031","description":"An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a NULL pointer dereference in the function Mat_VarFree() in mat.c.","status":"published","published":"2019-02-23T12:29:00Z","modified":"2026-04-22T12:23:34.708193Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:22.212782Z"}]}}