MEDIUMCVSS v3.1 4.3Vulnerability
CVE-2026-121399
FreeRDP before 3.32.2 contains a memory allocation vulnerability in rdg_receive_packet that allows a malicious RD Gateway to force a 2 GiB client allocation before tunnel authentication. Attackers can send an eight-byte RDG header declaring packet length 0x7FFFFFFF to trigger pre-authentication memory exhaustion and denial of service.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-03T17:20:13.885968+00:00
- Cvss score
- 4.3
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-11-03T17:21:18+00:00
- Score
- 4.3
- Last source
- NVD
- Cvss version
- 3.1
- Cve id
- CVE-2026-121399
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- First seen by Signal
- 2026-11-03T17:21:18+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- Published at
- 2026-11-03T15:17:28.000
- Last modified
- 2026-11-03T16:11:09.627
Related Entities (2)
AFFECTS_PRODUCT (1)
HAS_WEAKNESS (1)
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