CVE-2023-39356

freerdp: missing offset validation leading to Out-of-Bounds Read in gdi_multi_opaque_rect

Loading…

Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · August 31, 2023

Updated · November 21, 2025

Description

A flaw was found in FreeRDP. Looping through multi_opaque_rect->numRectangles without proper boundary checks can lead to a heap-buffer-overflow, which may result in a crash.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-125 · Out-of-bounds Read