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Vulnerabilities / CVE-2026-41521

critical

CVE-2026-41521

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a ...

Published Modified CWE 190
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Trivy's own label is CRITICAL. Rated critical by NVD.

Description

xrdp is an open source RDP server. Versions 0.10.6 and prior contain an integer overflow vulnerability when processing screen update messages within the vnc-any connection mode. A malicious remote VNC server can send crafted image dimensions that cause an integer overflow during memory buffer size calculation, resulting in an undersized allocation. Subsequent processing of the incoming image data using the original oversized parameters leads to an out-of-bounds read. An unauthenticated remote attacker could exploit this flaw to disclose sensitive information from the heap memory or cause a denial of service (DoS) via a process crash. This issue has been fixed in version 0.10.6.1.

Affected packages and fixed versions

SourcePackageFixed in
debian 11xrdp0.9.21.1-1~deb11u4
debian 12xrdp0.9.21.1-1+deb12u3
debian 13xrdp0.10.1-3.1+deb13u2
debian 14xrdp0.10.6.1-2
echoxrdp0.9.21.1-1+deb12u3
rapidfort debian 12xrdp0:0.10.1-3.1+deb13u2, 0:0.10.6.1-2, 0:0.9.21.1-1+deb12u3
rapidfort debian 13xrdp0:0.10.1-3.1+deb13u2, 0:0.10.6.1-2, 0:0.9.21.1-1+deb12u3
rapidfort fedora 43xrdp, xrdp-devel, xrdp-selinux1:0.10.6.1-1.fc43
rapidfort Oracle Linux 9xrdp, xrdp-devel, xrdp-selinux1:0.10.6.1-3.el9
Show all 13 entries from 9 sources
SourcePackageFixed in
debian 11xrdp0.9.21.1-1~deb11u4
debian 12xrdp0.9.21.1-1+deb12u3
debian 13xrdp0.10.1-3.1+deb13u2
debian 14xrdp0.10.6.1-2
echoxrdp0.9.21.1-1+deb12u3
rapidfort debian 12xrdp0:0.10.1-3.1+deb13u2, 0:0.10.6.1-2, 0:0.9.21.1-1+deb12u3
rapidfort debian 13xrdp0:0.10.1-3.1+deb13u2, 0:0.10.6.1-2, 0:0.9.21.1-1+deb12u3
rapidfort fedora 43xrdp1:0.10.6.1-1.fc43
rapidfort fedora 43xrdp-devel1:0.10.6.1-1.fc43
rapidfort fedora 43xrdp-selinux1:0.10.6.1-1.fc43
rapidfort Oracle Linux 9xrdp1:0.10.6.1-3.el9
rapidfort Oracle Linux 9xrdp-devel1:0.10.6.1-3.el9
rapidfort Oracle Linux 9xrdp-selinux1:0.10.6.1-3.el9

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.