{"id":"DEBIAN-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":"2026-09-11T11:00:54.409738302Z","published":"2020-05-01T14:15:11.547Z","upstream":["CVE-2020-12474"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2020-12474"}],"affected":[{"package":{"name":"telegram-desktop","ecosystem":"Debian:12","purl":"pkg:deb/debian/telegram-desktop?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0+ds-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12474.json"}},{"package":{"name":"telegram-desktop","ecosystem":"Debian:14","purl":"pkg:deb/debian/telegram-desktop?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0+ds-1"}]}],"versions":["1.0.14-1","1.0.29-1","1.1.0-1","1.1.10-1","1.1.18-1","1.1.19-1","1.1.19-2","1.1.23-1","1.1.23-1~bpo9+1","1.1.23-2","1.1.23-3","1.2.1-1","1.2.1-2","1.2.15-1","1.2.17-1","1.2.6-1","1.2.6-2","1.3.10-1","1.3.10-2","1.3.14-1","1.3.7-1","1.4.0-1","1.5.11-1","1.5.2-1","1.5.4-1","1.5.8-1","1.7.0-1","1.7.14-1","1.8.15-1","1.8.15-2","1.8.15-2~bpo10+1","1.8.2-1","1.8.2-2","1.8.4-1","1.8.8-1","1.9.14+ds-1","1.9.14+ds-2","1.9.21+ds-1","1.9.8~slim-1","2.0.1+ds-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12474.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"}]}