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CVE-2026-27015 - Vulnerability Analysis

MediumCVSS: 6.5

Last Updated: February 27, 2026

FreeRDP - Denial of Service

Published: February 25, 2026Updated: February 27, 2026PoC AvailableRemote Exploitable

Overview

FreeRDP < 3.23.0 contains a denial of service caused by a missing bounds check in smartcard_unpack_read_size_align in smartcard_pack.c, letting malicious RDP servers crash the client, exploit requires smartcard redirection enabled.

Severity & Score

Severity: Medium

CVSS Score: 6.5

Impact

Malicious RDP servers can crash the FreeRDP client, causing denial of service.

Mitigation

Update to version 3.23.0 or later.

References

https://github.com/FreeRDP/FreeRDP/commit/65d59d3b3c2f630f2ea862687ecf5f95f8115244
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7g72-39pq-4725

Related Resources

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Details

CVE ID: CVE-2026-27015
Severity: Medium
CVSS Score: 6.5
Type: denial_of_service
Status: confirmed

CWE

CWE-617

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H