SB2026051354 - Anolis OS update for xrdp



SB2026051354 - Anolis OS update for xrdp

Published: May 13, 2026

Security Bulletin ID SB2026051354
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Improper validation of integrity check value (CVE-ID: CVE-2026-32105)

CWE-ID: CWE-354 - Improper Validation of Integrity Check Value

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to modify encrypted RDP traffic in transit without detection.

The vulnerability exists due to improper validation of integrity check value in the Classic RDP Security layer packet handling when processing encrypted RDP packets. A remote attacker can perform a man-in-the-middle attack to modify encrypted RDP traffic in transit without detection.

It does not affect connections where the TLS security layer is enforced.


2) Improper Check for Dropped Privileges (CVE-ID: CVE-2026-32107)

CWE-ID: CWE-273 - Improper Check for Dropped Privileges

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges to root and execute arbitrary code.

The vulnerability exists due to improper check for dropped privileges in the session execution component when handling an error during the privilege drop process. A local user can trigger the flawed privilege drop handling to escalate privileges to root and execute arbitrary code.

Exploitation requires an additional exploit to facilitate the attack.


Remediation

Install update from vendor's website.