PT-2026-33501 · Xrdp · Xrdp

Exploitintel · Published 2026-04-17 · Updated 2026-04-20 · CVE-2026-33516

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions xrdp versions prior to 0.10.6

Description An out-of-bounds read occurs during the RDP capability exchange phase when memory is accessed before validating the remaining buffer length. A remote, unauthenticated attacker can trigger this by sending a specially crafted Confirm Active PDU. This may result in a denial of service via process crash or the disclosure of sensitive information from the process memory.

Recommendations Update to version 0.10.6.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2026-06990

CVE-2026-33516

Affected Products

Xrdp

References · 12

• https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-rvh9-9wm3-28c7 · Vendor Advisory
• https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-33516 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-33516 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-33516 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-33516 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-33516 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-06990 · Security Note
• https://ubuntu.com/security/CVE-2026-33516 · Vendor Advisory
• https://twitter.com/CVEnew/status/2045467414821810265 · Twitter Post
• https://twitter.com/infoflowcloud/status/2045469744044621977 · Twitter Post
• https://altsp.su/obnovleniya-bezopasnosti · Note