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.
結論預警: CVE-2026-23948 綜合評估為中等風險(40.9/100):CVSS 技術影響為中級,利用機率偏低(EPSS 0.47%) 強制指令: 梳理受影響資產並納入修補計畫。
風險隨態勢動態變化;本站持續評估並同步更新本頁展示內容。
EPSS 日更估計相對被利用可能性;百分位表示該 CVE 在已評分漏洞中的相對排名(越高表示相對更嚴重)。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化(新 − 舊) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.02% | 0.47% | +0.45% |
| 2 | 2026-02-18 | 0.06% | 0.02% | -0.04% |
| 3 | 2026-02-15 | — | 0.06% | — |
完整 EPSS 歷史 (共 4 筆)
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 6.9 | 4.0 | MEDIUM |
|
— | — | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2026-23948: 1 source package rows (freerdp); 26 state rows across 2 repos (3.23-community, edge-community); fixed 2, open 24. | https://security.alpinelinux.org/vuln/CVE-2026-23948 |
debian
|
not yet assigned | CVE-2026-23948 not yet assigned priority: Debian including 2 source packages (freerdp2, freerdp3), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 3, open 2. | https://security-tracker.debian.org/tracker/CVE-2026-23948 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2026-23948 |
suse
|
medium | CVE-2026-23948 severity moderate: SUSE including 50 source package names (2.2.1-5.57:libcurl4-8.14.1-slfo.1.1_4.1, 2.2.1-5.64:curl-8.14.1-slfo.1.1_4.1, …), 139 product×package rows across 39 product lines (Container suse/sl-micro/6.0/baremetal-os-container, Container suse/sl-micro/6.0/base-os-container, … (39 product lines)): Fixed 126, First Fixed 13. | https://www.suse.com/security/cve/CVE-2026-23948/ |
ubuntu
|
medium | CVE-2026-23948 medium priority: Ubuntu including 3 source packages (freerdp, freerdp2, freerdp3), 16 status rows across 7 suites (bionic, focal, jammy, noble, questing, upstream, xenial): released 6, DNE 5, needs-triage 5. | https://ubuntu.com/security/CVE-2026-23948 |