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VULNERABILITIES

CVE-2026-114042 Details

Description

FreeRDP 3.32.0 contains a use-after-free vulnerability in the drdynvc channel that frees a pool-owned stream with the owned-stream deallocator when totalLength is smaller than the chunk size. A malicious RDP server can send a single well-formed Virtual Channel PDU to trigger the free and crash the client during teardown.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5xjc-c64q-m8r6 CISA-ADP
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5xjc-c64q-m8r6 [email protected]
https://www.vulncheck.com/advisories/freerdp-3.32.0-use-after-free-via-drdynvc-virtual-channel-pdu [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-416Use After Free[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-114042
NVD Published Date:
Oct 21, 2026
NVD Last Modified:
Oct 22, 2026
Source:
[email protected]
CVE-2026-114042 Details - Not Deferred