Description
Telegram Desktop (aka tdesktop) 1.3.16 alpha, when "Use proxy" is enabled, sends credentials and application data in cleartext over the SOCKS5 protocol.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | telegram-desktop | No fix yet | — |
| Debian 12 | telegram-desktop | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | telegram-desktop | No fix yet | — |
| Ubuntu 20.04 LTS | telegram-desktop | No fix yet | — |
| Ubuntu 18.04 LTS | telegram-desktop | No fix yet | — |