What is CVE-2026-41521?

CVE-2026-41521 is a high-severity vulnerability in Neutrinolabs Xrdp, classified under Integer Overflow or Wraparound. CVSS score: 8.2/10. Published 2026-07-20.

How severe is CVE-2026-41521?

High severity. CVSS v3 base score is 8.2 out of 10.

Integer overflow in Neutrinolabs Xrdp

CVE-2026-41521

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 dimensio…

Vulnerability class: Integer Overflow

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L.

Affected products

Neutrinolabs Xrdp — versions < 0.10.6.1

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-41521?: CVE-2026-41521 is a high-severity vulnerability in Neutrinolabs Xrdp, classified under Integer Overflow or Wraparound. CVSS score: 8.2/10. Published 2026-07-20.
How severe is CVE-2026-41521?: High severity. CVSS v3 base score is 8.2 out of 10.