CVE-2026-22853

2026-01-14

Severity Assessment

LOW

CVSS v3.x Score

Clinical Analysis (Description)

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, RDPEAR’s NDR array reader does not perform bounds checking on the on‑wire element count and can write past the heap buffer allocated from hints, causing a heap buffer overflow in ndr_read_uint8Array. This vulnerability is fixed in 3.20.1.

Vector Sequencing

Attack Parameters

Impact Consequences

Technical Impact

Weakness Classification

CWE-CWE-787

View CWE Details ↗

Timeline

Time Line

PUBLICATION

14 Jan 2026

Impact Statistics

Key Metrics

CVSS Score

LOW

Remediation Protocol

Immediate Action Plan

1. Inventory

Identify all affected systems in your infrastructure.

2. Assessment

Assess exposure and criticality for your organization.

3. Mitigation

Apply patches or available workarounds.

4. Verification

Test and confirm effectiveness of applied measures.

Sources & Bibliography

NIST NVD MITRE CVE External Reference ↗ External Reference ↗