{"id":"DEBIAN-CVE-2021-27351","details":"The Terminate Session feature in the Telegram application through 7.2.1 for Android, and through 2.4.7 for Windows and UNIX, fails to invalidate a recently active session.","modified":"2026-09-01T20:04:26.395005220Z","published":"2021-02-19T19:15:12.690Z","upstream":["CVE-2021-27351"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-27351"}],"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":"2.6.1-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-27351.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":"2.6.1-1"}]}],"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","2.1.0+ds-1","2.1.4+ds-1","2.1.5+ds-1","2.1.7+ds-1","2.1.7+ds-2","2.2.0+ds-1","2.2.0+ds-2","2.2.0+ds-2~bpo10+1","2.2.0+ds-3","2.2.0+ds-4","2.2.0+ds-5","2.5.8+ds-1","2.5.8+ds-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-27351.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}