{"id":"UBUNTU-CVE-2020-27844","details":"A flaw was found in openjpeg's src/lib/openjp2/t2.c in versions prior to 2.4.0. This flaw allows an attacker to provide crafted input to openjpeg during conversion and encoding, causing an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.","modified":"2026-04-22T14:19:46.676186Z","published":"2021-01-05T18:15:00Z","upstream":["CVE-2020-27844"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-27844"},{"type":"REPORT","url":"https://github.com/uclouvain/openjpeg/issues/1299"},{"type":"REPORT","url":"https://github.com/uclouvain/openjpeg/commit/73fdf28342e4594019af26eb6a347a34eceb6296"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-27844"}],"affected":[{"package":{"name":"insighttoolkit4","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/insighttoolkit4@4.9.0-4ubuntu1.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.8.1-1ubuntu3","4.8.1-1ubuntu4","4.8.2-3.1ubuntu1","4.9.0-3ubuntu2","4.9.0-4ubuntu1","4.9.0-4ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"insighttoolkit4-examples","binary_version":"4.9.0-4ubuntu1.1"},{"binary_name":"insighttoolkit4-python","binary_version":"4.9.0-4ubuntu1.1"},{"binary_name":"libinsighttoolkit4.9","binary_version":"4.9.0-4ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27844.json"}},{"package":{"name":"insighttoolkit4","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/insighttoolkit4@4.12.2-dfsg1-1ubuntu1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.2-dfsg1-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"insighttoolkit4-examples","binary_version":"4.12.2-dfsg1-1ubuntu1"},{"binary_name":"insighttoolkit4-python","binary_version":"4.12.2-dfsg1-1ubuntu1"},{"binary_name":"libinsighttoolkit4.12","binary_version":"4.12.2-dfsg1-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27844.json"}},{"package":{"name":"insighttoolkit4","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/insighttoolkit4@4.13.2-dfsg1-8?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.2-dfsg1-4.1ubuntu1","4.13.2-dfsg1-1ubuntu1","4.13.2-dfsg1-4ubuntu1","4.13.2-dfsg1-6","4.13.2-dfsg1-6ubuntu1","4.13.2-dfsg1-8"],"ecosystem_specific":{"binaries":[{"binary_name":"insighttoolkit4-examples","binary_version":"4.13.2-dfsg1-8"},{"binary_name":"insighttoolkit4-python3","binary_version":"4.13.2-dfsg1-8"},{"binary_version":"4.13.2-dfsg1-8","binary_name":"libinsighttoolkit4.13"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27844.json"}},{"package":{"name":"insighttoolkit4","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/insighttoolkit4@4.13.3withdata-dfsg2-1ubuntu1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.13.3withdata-dfsg1-4.1","4.13.3withdata-dfsg2-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"insighttoolkit4-examples","binary_version":"4.13.3withdata-dfsg2-1ubuntu1"},{"binary_name":"libinsighttoolkit4.13","binary_version":"4.13.3withdata-dfsg2-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-27844.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}