CVE-2026-91946

MediumCVSS 6.5/10Last modified Sep 24, 2026

Description

FreeRDP versions before 3.31.0 contain an information disclosure vulnerability in the RDPGFX server's ResetGraphics PDU serializer that fails to initialize padding bytes in the fixed 340-byte wire format. Attackers can receive uninitialized heap memory including live pointers and GLib function addresses transmitted in the PDU, defeating heap ASLR and disclosing the GLib module base address.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-908

Affected software

No affected versions have been published.

Timeline

Published
Sep 15, 2026
Last modified
Sep 24, 2026
NVD status
Analyzed

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CVE-2026-91946: Medium severity, CVSS 6.5 | Vulnix