{"id":"UBUNTU-CVE-2020-12474","details":"Telegram Desktop through 2.0.1, Telegram through 6.0.1 for Android, and Telegram through 6.0.1 for iOS allow an IDN Homograph attack via Punycode in a public URL or a group chat invitation URL.","modified":"2025-10-24T04:48:28Z","published":"2020-05-01T14:15:00Z","upstream":["CVE-2020-12474"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12474"},{"type":"REPORT","url":"https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram:CVE-2020-12474"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-12474"}],"affected":[{"package":{"name":"telegram-desktop","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/telegram-desktop@1.2.17-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.23-1","1.1.23-1build1","1.1.23-2","1.1.23-3","1.2.6-1","1.2.6-2","1.2.6-2build1","1.2.6-2build2","1.2.6-2build3","1.2.15-1","1.2.15-1build1","1.2.17-1"],"ecosystem_specific":{"binaries":[{"binary_name":"telegram-desktop","binary_version":"1.2.17-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-12474.json"}},{"package":{"name":"telegram-desktop","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/telegram-desktop@3.1.1+ds-1~ubuntu20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.8-1","1.8.15-2","1.9.8~slim-1","1.9.14+ds-1","1.9.14+ds-2","1.9.21+ds-1","2.0.1+ds-1","2.0.1+ds-1build1","2.1.7+ds-2~ubuntu20.04.1","3.1.1+ds-1~ubuntu20.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"telegram-desktop","binary_version":"3.1.1+ds-1~ubuntu20.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-12474.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}