MEDIUMCVSS v3.1 6.5Vulnerability
CVE-2026-121407
FreeRDP before 3.32.2 contains a denial of service vulnerability in the shadow server's remdesk_server_thread that allows authenticated clients to crash the process via an inverted PDU length check. Attackers can send an 8192-byte remdesk payload declaring an eight-byte PDU length to trigger a fatal Stream_Seek assertion, aborting the server and dropping sessions.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-03T17:20:13.885968+00:00
- Cvss severity
- MEDIUM
- Cvss score
- 6.5
- Retrieved at
- 2026-11-03T17:21:18+00:00
- Score
- 6.5
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-121407
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-11-03T17:21:18+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Published at
- 2026-11-03T15:17:29.420
- Last modified
- 2026-11-03T15:59:17.710
Related Entities (2)
AFFECTS_PRODUCT (1)
HAS_WEAKNESS (1)
Explore deeper with Ninja Signal's threat intelligence graph