redhat · CVE-2026-23948

Quick triage

Priority: medium Published: 2026-02-09 18:12:00 UTC Updated: 2026-02-09 18:12:00 UTC

View at Official redhat advisory, NVD, CVE.org · CVE detail

Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.

Tracker summary

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdp_write_logon_info_v2() allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability is fixed in 3.22.0.

Description:

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdp_write_logon_info_v2() allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability is fixed in 3.22.0.

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