Descriptionrdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function seamless_process() and results in memory corruption and probably even a remote code execution.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1683-1, DSA-4394-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
rdesktop (PTS)buster1.8.6-2fixed
sid, trixie, bookworm, bullseye1.9.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

Notes (v1.8.4)

Search for package or bug name: Reporting problems