CVE-2026-23948
Publication date 9 February 2026
Last updated 16 October 2026
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| freerdp | 26.10 stonking | Not in release |
| 26.04 LTS resolute | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| freerdp2 | 26.10 stonking | Not in release |
| 26.04 LTS resolute | Not in release | |
| 24.04 LTS noble |
Fixed in 2.11.5+dfsg1-1ubuntu0.1~esm5
|
|
| 22.04 LTS jammy |
Fixed in 2.6.1+dfsg1-3ubuntu2.10
|
|
| 20.04 LTS focal |
Fixed in 2.6.1+dfsg1-0ubuntu0.20.04.2+esm3
|
|
| 18.04 LTS bionic |
Fixed in 2.2.0+dfsg1-0ubuntu0.18.04.4+esm5
|
|
| freerdp3 | 26.10 stonking |
Not affected
|
| 26.04 LTS resolute |
Not affected
|
|
| 24.04 LTS noble |
Fixed in 3.5.1+dfsg1-0ubuntu1.2
|
|
| 22.04 LTS jammy | Not in release |
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CVSS version:
Base score
6.9 · Medium
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Base score
7.5 · High
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
Related Ubuntu Security Notices (USN)
- USN-8042-1
- FreeRDP vulnerabilities
- 16 February 2026