SUSE CVE-2026-44978

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a heap out-of-bounds read vulnerability within the FIPS-specific receive paths. This vulnerability does not affect the default configuration of xrdp. The vulnerability is only exploitable when the security layer is set to...

CVE-2026-55626

xrdp is an open source RDP server. In versions 0.10.6 and prior, when an authenticated user session is initialized using the Xvnc backend over UNIX domain sockets, the Xvnc process is launched with insufficient authentication mechanisms. A local authenticated attacker could exploit this...

CVE-2026-55238

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a vulnerability concerning the processing of RDP Confirm Active PDU, where during the capability negotiation phase, the parser did not perform sufficient length validation for specific capability sets. A remote, unauthenticated...

CVE-2026-54538

xrdp is an open source RDP server. In versions 0.10.6 and prior, a n issue was discovered where the software fails to properly validate the totalLength field within the RDP protocol control header during packet reception. An unauthenticated remote attacker can exploit this vulnerability by sendin...

CVE-2026-44178

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a heap-based buffer overflow vulnerability within the virtual channel forwarding mechanism. When forwarding data from a remote client to the internal channel server, the xrdp process utilizes a fixed-size buffer without adequate...

CVE-2026-42218

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a timing side-channel vulnerability in the login interface. Due to a discrepancy in response processing times, a remote attacker can infer the existence of a username on the system, leading to unauthorized information disclosure...

CVE-2026-55639

CVE-2026-55639 affects xrdp up to version 0.10.6, where the parser for Client Security Data in GCC Conference Create Request within the Client MCS Connect Initial PDU lacks proper length validation during initial capability/security negotiation. A remote, unauthenticated attacker could send a cra...

CVE-2026-55238

CVE-2026-55238 affects xrdp prior to 0.10.6.1. The issue is in the RDP Confirm Active PDU capability negotiation: the parser did not validate lengths for certain capability sets, allowing a remote unauthenticated attacker to send malformed capability data. This can cause out-of-bounds memory read...

CVE-2026-44978 xrdp: Unchecked FIPS padding length in standard RDP Security causes heap out-of-bounds read in HMAC verification

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a heap out-of-bounds read vulnerability within the FIPS-specific receive paths. This vulnerability does not affect the default configuration of xrdp. The vulnerability is only exploitable when the security layer is set to...

CVE-2026-44178 xrdp: Channel Data Forwarding Fixed-Size Buffer Overflow

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a heap-based buffer overflow vulnerability within the virtual channel forwarding mechanism. When forwarding data from a remote client to the internal channel server, the xrdp process utilizes a fixed-size buffer without adequate...

CVE-2026-44178

Technical details are not publicly available in the provided documents. Monitor for updates from vendors and advisories regarding CVE-2026-44178 (xrdp heap-based overflow; fixed in 0.10.6.1).

CVE-2026-42218

CVE-2026-42218 affects xrdp, an open source RDP server. The issue is a timing side‑channel in the login interface of versions 0.10.6 and earlier that allows remote observers to infer whether a username exists, enabling information disclosure via username enumeration. The vulnerability is explicit...

[SECURITY] Fedora 43 Update: xrdp-0.10.6.1-1.fc43

xrdp provides a fully functional RDP server compatible with a wide range of RDP clients, including FreeRDP and Microsoft RDP client...

xrdp -- multiple vulnerabilities

xrdp projects reports: xrdp v0.10.6.1 fixes 10 vulnerabilities and 1 regression introduced by a vulnerability fix in the previous release...