{"id":"USN-4819-1","summary":"leptonlib vulnerabilities","details":"It was discovered that Leptonica incorrectly handled path names. An\nattacker could possibly use this issue to obtain sensitive information.\nThis issue only affected Ubuntu 16.04 ESM. (CVE-2017-18196)\n\nIt was discovered that Leptonica incorrectly handled certain input\narguments. An attacker could possibly use this issue to execute arbitrary\ncommands. (CVE-2018-3836)\n\nIt was discovered that Leptonica incorrectly handled input arguments. An\nattacker could possibly use this issue to cause a denial of service or\nother unspecified impact. (CVE-2018-7186)\n","modified":"2026-04-22T10:12:45.673983Z","published":"2021-03-15T21:56:16Z","related":["UBUNTU-CVE-2017-18196","UBUNTU-CVE-2018-3836","UBUNTU-CVE-2018-7186"],"upstream":["CVE-2017-18196","CVE-2018-3836","CVE-2018-7186","UBUNTU-CVE-2017-18196","UBUNTU-CVE-2018-3836","UBUNTU-CVE-2018-7186"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4819-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-18196"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-3836"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-7186"}],"affected":[{"package":{"name":"leptonlib","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/leptonlib@1.70.1-1ubuntu0.1~esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.70.1-1ubuntu0.1~esm1"}]}],"versions":["1.69-4ubuntu1","1.69-4ubuntu2","1.69-4ubuntu3","1.69-4ubuntu4","1.70.1-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"leptonica-progs","binary_version":"1.70.1-1ubuntu0.1~esm1"},{"binary_name":"liblept4","binary_version":"1.70.1-1ubuntu0.1~esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-3836"},{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-7186"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4819-1.json"}},{"package":{"name":"leptonlib","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/leptonlib@1.73-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.73-1ubuntu0.1~esm1"}]}],"versions":["1.72-3","1.72-3build1","1.73-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"leptonica-progs","binary_version":"1.73-1ubuntu0.1~esm1"},{"binary_name":"liblept5","binary_version":"1.73-1ubuntu0.1~esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2017-18196"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-3836"},{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-7186"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4819-1.json"}}],"schema_version":"1.7.5"}