{"id":"USN-4562-1","summary":"ruby-kramdown vulnerability","details":"It was discovered that kramdown insecurely handled certain crafted input.\nAn attacker could use this vulnerability to read restricted files or\nexecute arbitrary code.\n","modified":"2026-04-27T15:44:07.989953Z","published":"2020-09-30T21:41:19Z","related":["UBUNTU-CVE-2020-14001"],"upstream":["CVE-2020-14001","UBUNTU-CVE-2020-14001"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4562-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-14001"}],"affected":[{"package":{"name":"ruby-kramdown","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ruby-kramdown@1.17.0-4ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17.0-4ubuntu0.1"}]}],"versions":["1.17.0-1","1.17.0-2","1.17.0-4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.17.0-4ubuntu0.1","binary_name":"kramdown"},{"binary_version":"1.17.0-4ubuntu0.1","binary_name":"ruby-kramdown"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4562-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/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-2020-14001"}]}}}],"schema_version":"1.7.5"}