MEDIUMCVSS v3.1 5.9Vulnerability
CVE-2026-121963
FreeRDP before 3.32.2 contains a use-after-free vulnerability in the asynchronous dynamic rdpsnd channel that allows malicious RDP servers to trigger freed callback access by closing the channel with queued audio PDUs. Attackers can send a training PDU then close the channel so the playback thread reads the freed callback in rdpsnd_virtual_channel_write, crashing the client.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-04T17:37:42.865599+00:00
- Cvss score
- 5.9
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-11-04T17:38:51+00:00
- Score
- 5.9
- Last source
- NVD
- Cvss version
- 3.1
- Cve id
- CVE-2026-121963
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/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:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published at
- 2026-11-04T16:17:49.500
- Last modified
- 2026-11-04T16:17:49.630
Related Entities (1)
HAS_WEAKNESS (1)
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