NULL Pointer Dereference Affecting freerdp/freerdp package, versions [,3.22.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Feb 2026
- disclosed9 Feb 2026
- creditQi Kery
Introduced: 9 Feb 2026
CVE-2026-23948 (opens in a new tab)How to fix?
Upgrade freerdp/freerdp to version 3.22.0 or higher.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference via the rdp_write_logon_info_v2 function. An attacker can cause the application to crash by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0.