Vulnerability details

CVE-2026-41521

neutrinolabs xrdp

xrdp: lib_framebuffer_update Has Integer Overflow Heap Info Leak & ASLR Bypass

CVSS 3.1
8.2High

Official 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.

CVSS scores

ScoreVersionSourceVector
8.2High 3.1 CVEProject cvelistV5 (CNA) (GitHub_M) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Affected products

VendorProductVersionsSource
neutrinolabs xrdp < 0.10.6.1 CVEProject cvelistV5 (CNA)

References and advisories

2
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Details

Published
2026-07-20
Last updated
2026-07-20
State
Published
Assigner (CNA)
GitHub_M

Exploit prediction (EPSS)

0.67%
Probability of exploitation in 30 days
52.1%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-190
    Integer Overflow or Wraparound