{"id":"CVE-2019-20052","aliases":["EUVD-2019-10608","GHSA-6hvm-256w-h2qv","MGASA-2021-0285","MGASA-2021-0558","openSUSE-SU-2024:11040-1"],"status":"published","title":"A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does...","description":"A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01082,"percentile":0.65385,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-401","CWE-772"],"published":"2019-12-27T21:59:20Z","modified":"2026-10-20T10:52:35Z","fixes":[{"ecosystem":"Mageia:7","package":"matio","fixed_in":["1.5.16-1.2.mga7"],"sources":["osv"]},{"ecosystem":"Mageia:8","package":"matio","fixed_in":["1.5.21-1.mga8"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Mageia:7","package":"matio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.16-1.2.mga7"}]}]},{"source":"osv","ecosystem":"Mageia:8","package":"matio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.21-1.mga8"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"matio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.21-1.2"}]}],"bundled":3}],"products":[{"vendor":"matio_project","product":"matio"}],"references":[{"url":"https://github.com/tbeu/matio/issues/131","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20052"},{"url":"https://github.com/advisories/GHSA-6hvm-256w-h2qv"},{"url":"https://advisories.mageia.org/MGASA-2021-0285.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=27969","tags":["report"]},{"url":"https://github.com/tbeu/matio/commit/a47b7cd3aca70e9a0bddf8146eb4ab0cbd19c2c3","tags":["web"]},{"url":"https://advisories.mageia.org/MGASA-2021-0558.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=29164","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2019-17533","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20017","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-20052","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2019-20052","description":"A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.","status":"published","published":"2019-12-27T21:59:20Z","modified":"2024-08-05T02:32:10.536Z","updated_at":"2026-11-02T14:20:17.11067Z"}],"euvd":[{"id":"EUVD-2019-10608","description":"A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.","status":"published","published":"2019-12-27T21:59:20Z","modified":"2024-08-05T02:32:10Z","updated_at":"2026-11-03T02:40:23.251012Z"}],"ghsa":[{"id":"GHSA-6hvm-256w-h2qv","title":"A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does...","description":"A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.","status":"published","published":"2022-05-24T17:05:12Z","modified":"2024-04-04T02:45:48Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-401","CWE-772"],"updated_at":"2026-11-02T14:56:11.559223Z"}],"nvd":[{"id":"CVE-2019-20052","description":"A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.","status":"published","published":"2019-12-27T22:15:11.8Z","modified":"2026-06-17T02:29:54.24Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:05:41.313583Z"}],"osv":[{"id":"CVE-2019-20052","description":"A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.","status":"published","published":"2019-12-27T22:15:11.8Z","modified":"2026-10-20T10:52:35.160841414Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:12.010761Z"},{"id":"MGASA-2021-0285","title":"Updated matio packages fix a security vulnerability","description":"A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because\nSafeMulDims does not consider the rank==0 case (CVE-2019-20052).\n","status":"published","published":"2021-06-25T14:43:41Z","modified":"2026-04-16T04:43:21.505825102Z","updated_at":"2026-11-02T15:49:41.509337Z"},{"id":"MGASA-2021-0558","title":"Updated matio packages fix security vulnerability","description":"Updated matio packages fix security vulnerability:\n\nA memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17\nbecause SafeMulDims does not consider the rank==0 case (CVE-2019-20052).\n","status":"published","published":"2021-12-19T12:26:08Z","modified":"2026-04-16T04:41:43.901469108Z","updated_at":"2026-11-02T15:49:41.849028Z"},{"id":"openSUSE-SU-2024:11040-1","title":"libmatio-devel-1.5.21-1.2 on GA media","description":"These are all security issues fixed in the libmatio-devel-1.5.21-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:01:39.553173Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}