CVE-2021-36769

NameCVE-2021-36769
DescriptionA reordering issue exists in Telegram before 7.8.1 for Android, Telegram before 7.8.3 for iOS, and Telegram Desktop before 2.8.8. An attacker can cause the server to receive messages in a different order than they were sent a client.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs991493

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
telegram-desktop (PTS)buster1.5.11-1vulnerable
bullseye2.6.1+ds-1+deb11u1vulnerable
bookworm3.1.1+ds-1fixed
sid3.1.8+ds-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
telegram-desktopsourceexperimental2.9.0+ds-1
telegram-desktopsource(unstable)2.9.2+ds-1991493

Notes

[bullseye] - telegram-desktop <no-dsa> (Minor issue)
[buster] - telegram-desktop <no-dsa> (Minor issue)
https://mtpsym.github.io/

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