{"action":"Upgrade libmatio to 1.5.19-2 or later.","affected":[{"fixed":"1.5.19-2","introduced":"0"}],"component":"libmatio","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.5.19-2"],"id":"tcs_01M5NE42YAM6E3ASHCP9M8YKNA","modified_at":"2026-09-21T07:02:36.069976538Z","published_at":"2019-12-27T02:15:10.733Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-20020","https://security-tracker.debian.org/tracker/CVE-2019-20020"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-20020#Debian:14/libmatio","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-20020"}],"summary":"A stack-based buffer over-read was discovered in ReadNextStructField in mat5.c in matio 1.5.17."}