Descriptionxrdp is an open source remote desktop protocol (RDP) server. In affected versions an integer underflow leading to a heap overflow in the sesman server allows any unauthenticated attacker which is able to locally access a sesman server to execute code as root. This vulnerability has been patched in version and above. Users are advised to upgrade. There are no known workarounds.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs1005304

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xrdp (PTS)buster0.9.9-1+deb10u1fixed
buster (security)0.9.9-1+deb10u3fixed
bookworm, sid0.9.21.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xrdpsourcestretch(not affected)
xrdpsourcebuster(not affected)
xrdpsourcebullseye(not affected)


[bullseye] - xrdp <not-affected> (Vulnerable code not present)
[buster] - xrdp <not-affected> (Vulnerable code not present)
[stretch] - xrdp <not-affected> (Vulnerable code not present)
Introduced by: (v0.9.17)
Fixed by:

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