{"id":"CVE-2020-19497","aliases":["DEBIAN-CVE-2020-19497","EUVD-2020-11401","GHSA-6wj5-q7pj-g748","UBUNTU-CVE-2020-19497"],"status":"published","title":"Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O...","description":"Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","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":0.01368,"percentile":0.72226,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190"],"published":"2021-07-21T17:19:57Z","modified":"2026-10-26T12:02:29Z","fixes":[{"ecosystem":"Debian:12","package":"libmatio","fixed_in":["1.5.19-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libmatio","fixed_in":["1.5.19-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libmatio","fixed_in":["1.5.19-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.19-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.19-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.19-2"}]}]},{"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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"libmatio","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.13-3","1.5.17-3","1.5.17-3ubuntu0.1~esm1","1.5.17-3ubuntu0.1~esm2"]}],"products":[{"vendor":"matio_project","product":"matio"}],"references":[{"url":"https://github.com/tbeu/matio/issues/121","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/tbeu/matio/commit/5fa49ef9fc4368fe3d19b5fdaa36d8fa5e7f4606","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-19497"},{"url":"https://github.com/advisories/GHSA-6wj5-q7pj-g748"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-19497","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-19497","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-19497","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-19497","description":"Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2021-07-21T17:19:57Z","modified":"2024-08-04T14:08:30.847Z","updated_at":"2026-11-02T14:35:49.879248Z"}],"euvd":[{"id":"EUVD-2020-11401","description":"Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2021-07-21T17:19:57Z","modified":"2024-08-04T14:08:30Z","updated_at":"2026-11-03T03:07:25.299661Z"}],"ghsa":[{"id":"GHSA-6wj5-q7pj-g748","title":"Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O...","description":"Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2022-05-24T19:08:32Z","modified":"2023-01-30T05:00:53Z","cwes":["CWE-190"],"updated_at":"2026-11-02T14:46:17.249643Z"}],"nvd":[{"id":"CVE-2020-19497","description":"Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2021-07-21T18:15:09.097Z","modified":"2026-06-17T02:59:48.877Z","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-190"],"updated_at":"2026-11-02T14:06:44.292752Z"}],"osv":[{"id":"CVE-2020-19497","description":"Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2021-07-21T18:15:09.097Z","modified":"2026-10-20T13:52:50.040858441Z","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":"2026-11-02T15:44:15.212689Z"},{"id":"DEBIAN-CVE-2020-19497","description":"Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2021-07-21T18:15:09.097Z","modified":"2026-10-26T12:02:29.337717101Z","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":"2026-11-02T15:45:33.384087Z"},{"id":"UBUNTU-CVE-2020-19497","description":"Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.","status":"published","published":"2021-07-21T18:15:00Z","modified":"2026-04-22T12:32:55.980424Z","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":"2026-11-02T15:54:23.344108Z"}]}}
