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VULNERABILITIES

CVE-2026-109242 Details

Description

FreeRDP before 3.0.0 and 3.6.0 before 3.32.0 renders uninitialized heap memory from un-decoded progressive tiles because the tile->current buffer is allocated without zeroing. A malicious RDP server can send a crafted WBT_TILE_FIRST then WBT_TILE_UPGRADE sequence to paint heap bytes onscreen or abort the client process.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/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-4mpr-hmqx-83q8 CISA-ADPExploitVendor Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4mpr-hmqx-83q8 [email protected]ExploitVendor Advisory
https://www.vulncheck.com/advisories/freerdp-before-3.0.0-and-3.6.0-before-3.32.0-uninitialized-heap-disclosure-via-progressive-codec-tile-upgrade [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-908Use of Uninitialized Resource[email protected]

Affected Products

ProductVersions
freerdp freerdp
< 3.0.0
>= 3.6.0, < 3.32.0

CPE

  • cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-109242
NVD Published Date:
Oct 12, 2026
NVD Last Modified:
Nov 3, 2026
Source:
[email protected]
CVE-2026-109242 Details - Not Deferred