{"id":"UBUNTU-CVE-2020-36277","details":"Leptonica before 1.80.0 allows a denial of service (application crash) via an incorrect left shift in pixConvert2To8 in pixconv.c.","modified":"2026-04-22T14:25:02.389907Z","published":"2021-03-11T21:15:00Z","upstream":["CVE-2020-36277"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36277"},{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21997"},{"type":"REPORT","url":"https://github.com/DanBloomberg/leptonica/compare/1.79.0...1.80.0"},{"type":"REPORT","url":"https://github.com/DanBloomberg/leptonica/pull/499"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-36277"}],"affected":[{"package":{"name":"leptonlib","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/leptonlib@1.70.1-1ubuntu0.1~esm1?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.69-4ubuntu1","1.69-4ubuntu2","1.69-4ubuntu3","1.69-4ubuntu4","1.70.1-1","1.70.1-1ubuntu0.1~esm1"],"ecosystem_specific":{"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":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-36277.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"}]}],"versions":["1.72-3","1.72-3build1","1.73-1","1.73-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"leptonica-progs","binary_version":"1.73-1ubuntu0.1~esm1"},{"binary_version":"1.73-1ubuntu0.1~esm1","binary_name":"liblept5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-36277.json"}},{"package":{"name":"leptonlib","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/leptonlib@1.75.3-3ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.74.4-1","1.74.4-2","1.75.3-1","1.75.3-2","1.75.3-3","1.75.3-3ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"leptonica-progs","binary_version":"1.75.3-3ubuntu0.1~esm1"},{"binary_name":"liblept5","binary_version":"1.75.3-3ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-36277.json"}},{"package":{"name":"leptonlib","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/leptonlib@1.79.0-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.78.0-2","1.79.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"leptonica-progs","binary_version":"1.79.0-1"},{"binary_version":"1.79.0-1","binary_name":"liblept5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-36277.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"}]}