{"id":"UBUNTU-CVE-2020-26797","details":"Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.","modified":"2026-04-22T13:36:00.906014Z","published":"2021-03-18T20:15:00Z","related":["USN-5237-1"],"upstream":["CVE-2020-26797"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-26797"},{"type":"REPORT","url":"https://sourceforge.net/p/mediainfo/bugs/1154/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5237-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-26797"}],"affected":[{"package":{"name":"libmediainfo","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libmediainfo@0.7.67-2ubuntu1+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.67-2ubuntu1+esm2"}]}],"versions":["0.7.64-2","0.7.64-3","0.7.65-1","0.7.67-1","0.7.67-2","0.7.67-2ubuntu1","0.7.67-2ubuntu1+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"libmediainfo0","binary_version":"0.7.67-2ubuntu1+esm2"},{"binary_name":"python-mediainfodll","binary_version":"0.7.67-2ubuntu1+esm2"},{"binary_name":"python3-mediainfodll","binary_version":"0.7.67-2ubuntu1+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26797.json"}},{"package":{"name":"libmediainfo","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libmediainfo@0.7.82-1ubuntu0.1~esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.82-1ubuntu0.1~esm2"}]}],"versions":["0.7.73-1ubuntu1","0.7.80-1","0.7.81-1","0.7.82-1","0.7.82-1ubuntu0.1~esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libmediainfo0v5","binary_version":"0.7.82-1ubuntu0.1~esm2"},{"binary_name":"python-mediainfodll","binary_version":"0.7.82-1ubuntu0.1~esm2"},{"binary_name":"python3-mediainfodll","binary_version":"0.7.82-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26797.json"}},{"package":{"name":"libmediainfo","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libmediainfo@17.12-1ubuntu0.1+esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"17.12-1ubuntu0.1+esm1"}]}],"versions":["0.7.98-2","0.7.99-1","17.10-1","17.12-1","17.12-1build1","17.12-1ubuntu0.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libmediainfo0v5","binary_version":"17.12-1ubuntu0.1+esm1"},{"binary_name":"python-mediainfodll","binary_version":"17.12-1ubuntu0.1+esm1"},{"binary_name":"python3-mediainfodll","binary_version":"17.12-1ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26797.json"}},{"package":{"name":"libmediainfo","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libmediainfo@19.09+dfsg-2ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.09+dfsg-2ubuntu0.1~esm1"}]}],"versions":["18.12-2","19.09+dfsg-1","19.09+dfsg-2","19.09+dfsg-2build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libmediainfo0v5","binary_version":"19.09+dfsg-2ubuntu0.1~esm1"},{"binary_name":"python3-mediainfodll","binary_version":"19.09+dfsg-2ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26797.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}