| Name | CVE-2021-27351 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| telegram-desktop (PTS) | buster | 1.5.11-1 | fixed |
| bullseye | 3.1.1+ds-1~deb11u2 | fixed |
| bookworm | 4.6.5+ds-2 | fixed |
| sid | 4.14.9+ds-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - telegram-desktop <not-affected> (Vulnerable code not present)
https://0ffsecninja.github.io/Telegram:CVE-2021-2735.html
Probably fixed earlier than 2.6.1, but marking that fixed in absence of further details
(maintainer reached out to upstream for confirmation that 2.6.1 is fixed and buster
not affected)