What is CVE-2026-55645?

CVE-2026-55645 is a medium-severity vulnerability in Neutrinolabs Xrdp, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-07-20.

How severe is CVE-2026-55645?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Neutrinolabs Xrdp

CVE-2026-55645

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a vulnerability concerning the processing of Client Control PDUs. During the RDP connection sequence, the parser does not perform sufficient length validation before read…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Neutrinolabs Xrdp — versions < 0.10.6.1

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

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

Frequently asked questions

What is CVE-2026-55645?: CVE-2026-55645 is a medium-severity vulnerability in Neutrinolabs Xrdp, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-07-20.
How severe is CVE-2026-55645?: Medium severity. CVSS v3 base score is 6.5 out of 10.