CVE-2026-35512— xrdp: Heap buffer overflow in EGFX channel
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-35512
Vulnerability Information
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Vulnerability Title
xrdp: Heap buffer overflow in EGFX channel
Source: NVD (National Vulnerability Database)
Vulnerability Description
xrdp is an open source RDP server. Versions through 0.10.5 have a heap-based buffer overflow in the EGFX (graphics dynamic virtual channel) implementation due to insufficient validation of client-controlled size parameters, allowing an out-of-bounds write via crafted PDUs. Pre-authentication exploitation can crash the process, while post-authentication exploitation may achieve remote code execution. This issue has been fixed in version 0.10.6. If users are unable to immediately update, they should run xrdp as a non-privileged user (default since 0.10.2) to limit the impact of successful exploitation.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
xrdp 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
xrdp是neutrinolabs开源的一款开源远程桌面协议服务器。 xrdp 0.10.5及之前版本存在安全漏洞，该漏洞源于EGFX实现中对客户端控制的大小参数验证不足，导致基于堆的缓冲区溢出，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| neutrinolabs | xrdp | < 0.10.6 | - |
II. Public POCs for CVE-2026-35512
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|---|
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Vendor · 1
- Release xrdp v0.10.6 · neutrinolabs/xrdp · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-35512
Same Patch Batch · neutrinolabs · 2026-04-17 · 8 CVEs total
| CVE-2026-32107 | 8.8 HIGH | xrdp: Fail-open privilege drop in sesexec — child processes may execute as root if setuid |
| CVE-2026-33145 | 6.3 MEDIUM | xrdp: Authenticated RCE via unsanitized AlternateShell execution in xrdp-sesman |
| CVE-2026-32105 | xrdp: RDP MAC signature (dataSignature) never verified on receive — integrity bypass in no | |
| CVE-2026-32624 | xrdp: Heap buffer overflow in xrdp_sec_process_logon_info() via incorrect g_strncat length | |
| CVE-2026-32623 | xrdp: Heap buffer overflow in NeutrinoRDP channel reassembly | |
| CVE-2026-33689 | xrdp: Pre-authentication out-of-bounds reads in channel parsers | |
| CVE-2026-33516 | xrdp: Pre-authentication out-of-bounds reads in RDP capability and channel parsers |
IV. Related Vulnerabilities
Same product: xrdp
- CVE-2026-33689
xrdp: Pre-authentication out-of-bounds reads in channel pars - CVE-2026-33145
xrdp: Authenticated RCE via unsanitized AlternateShell execu - CVE-2026-32624
xrdp: Heap buffer overflow in xrdp_sec_process_logon_info() - CVE-2026-33516
xrdp: Pre-authentication out-of-bounds reads in RDP capabili - CVE-2026-32623
xrdp: Heap buffer overflow in NeutrinoRDP channel reassembly
Same vendor: neutrinolabs
- CVE-2026-33689
xrdp: Pre-authentication out-of-bounds reads in channel pars - CVE-2026-33145
xrdp: Authenticated RCE via unsanitized AlternateShell execu - CVE-2026-32624
xrdp: Heap buffer overflow in xrdp_sec_process_logon_info() - CVE-2026-33516
xrdp: Pre-authentication out-of-bounds reads in RDP capabili - CVE-2026-32623
xrdp: Heap buffer overflow in NeutrinoRDP channel reassembly
Same weakness: CWE-122
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Heap overflow in FUSE_LISTXATTR - CVE-2026-44050
Heap buffer overflow in CNID daemon comm_rcv() - CVE-2026-9149
Libsolv: heap buffer overflow in libsolv repo_add_solv via n - CVE-2026-8631
HP Linux Imaging and Printing Software – Potential Escalatio - CVE-2026-9123
Chrome Android/Linux/ChromeOS堆缓冲区溢出漏洞
V. Comments for CVE-2026-35512
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