MEDIUMCVSS v3.1 6.5Vulnerability
CVE-2026-121950
FreeRDP before 3.32.2 does not check the product of surface dimensions in gdi_CreateSurface when handling an RDPGFX CREATE_SURFACE PDU, causing an integer wrap and heap buffer overflow on 32-bit builds and an approximately 4 GiB allocation on 64-bit builds. A malicious RDP server can send a CREATE_SURFACE PDU with width and height 32766 to a connecting client to corrupt heap memory or cause a denial of service.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-04T17:37:42.865599+00:00
- Cvss score
- 6.5
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-11-04T17:38:51+00:00
- Score
- 6.5
- Last source
- NVD
- Cvss version
- 3.1
- Cve id
- CVE-2026-121950
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-11-04T17:38:51+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Published at
- 2026-11-04T16:17:47.153
- Last modified
- 2026-11-04T16:17:47.300
Related Entities (1)
HAS_WEAKNESS (1)
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