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CVE-2026-55639

Medium priority
Needs evaluation

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a vulnerability concerning the parsing of Client Security Data within the Client MCS Connect Initial PDU with GCC Conference Create Request during the connection...

1 affected package

xrdp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
xrdp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-55626

Medium priority
Needs evaluation

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...

1 affected package

xrdp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
xrdp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-55645

Medium priority
Needs evaluation

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a vulnerability concerning the processing of Client Control PDUs. During the RDP connection sequence, the parser does not perform sufficient length validation...

1 affected package

xrdp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
xrdp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-55238

Medium priority
Needs evaluation

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...

1 affected package

xrdp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
xrdp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-54538

Medium priority
Needs evaluation

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...

1 affected package

xrdp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
xrdp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-44978

Medium priority
Needs evaluation

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....

1 affected package

xrdp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
xrdp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-44178

Medium priority
Needs evaluation

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...

1 affected package

xrdp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
xrdp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-42218

Medium priority
Needs evaluation

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...

1 affected package

xrdp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
xrdp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-41521

Medium priority
Needs evaluation

xrdp is an open source RDP server. Versions 0.10.6 and prior contain an integer overflow vulnerability when processing screen update messages within the vnc-any connection mode. A malicious remote VNC server can send crafted image...

1 affected package

xrdp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
xrdp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-41252

Medium priority
Needs evaluation

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a missing bounds check in xrdp, which allows a heap-based buffer overflow when operating in vnc-any mode. The issue occurs during the handling of RFB protocol...

1 affected package

xrdp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
xrdp Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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