Ref:
https://blogs.gentoo.org/ago/2017/05/01/telegram-desktop-insecure-permission-of-home-telegramdesktop-directory/
===================================================
Description:
Telegram-desktop is the official desktop client for Telegram.

During the navigation of my filesystem I found the .TelegramDesktop with 755
permission:

drwxr-xr-x  4 ago  ago      4096 nov 23 14:30 .TelegramDesktop

Affected version:
At least from 0.10.19 to 1.0.29

Fixed version:
N/A

Commit fix:
N/A

Credit:
This bug was discovered by Agostino Sarubbo of Gentoo.

CVE:
CVE-2016-10351

Timeline:
2016-11-23: bug discovered and reported to upstream
2017-05-01: blog post about the issue
2017-05-01: CVE assigned

Permalink:

    telegram-desktop: insecure permission of $HOME/.TelegramDesktop directory
===================================================

(open-)SUSE: https://software.opensuse.org/package/telegram-desktop

1.0.24 (TW, server:messaging repo)
1.0.14 (42.2, server:messaging repo)
0.9.56 (42.1, server:messaging repo)