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CVE-2026-55639

Опубликовано: 20 июл. 2026
Источник: debian
EPSS Низкий

Описание

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 sequence. During the initial capability and security negotiation phase, the parser fails to perform sufficient length validation for the incoming data block. A remote, unauthenticated attacker could potentially exploit this flaw by sending a specially crafted RDP packet containing malformed data. Due to missing bounds checks, the xrdp process may read a small number of bytes beyond the declared data block boundary, potentially disclosing process memory contents that could be combined with other vulnerabilities. This issue has been fixed in version 0.10.6.1.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
xrdpfixed0.10.6.1-1experimentalpackage
xrdpfixed0.10.6.1-2package

Примечания

  • https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-6g36-mxcf-r3gc

  • https://github.com/neutrinolabs/xrdp/commit/5d72302e1b777ae879f202678f5c1fd4c9b15fbf (v0.10.6.1)

EPSS

Процентиль: 17%
0.00254
Низкий

Связанные уязвимости

CVSS3: 5.3
ubuntu
18 дней назад

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 sequence. During the initial capability and security negotiation phase, the parser fails to perform sufficient length validation for the incoming data block. A remote, unauthenticated attacker could potentially exploit this flaw by sending a specially crafted RDP packet containing malformed data. Due to missing bounds checks, the xrdp process may read a small number of bytes beyond the declared data block boundary, potentially disclosing process memory contents that could be combined with other vulnerabilities. This issue has been fixed in version 0.10.6.1.

CVSS3: 5.3
nvd
18 дней назад

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 sequence. During the initial capability and security negotiation phase, the parser fails to perform sufficient length validation for the incoming data block. A remote, unauthenticated attacker could potentially exploit this flaw by sending a specially crafted RDP packet containing malformed data. Due to missing bounds checks, the xrdp process may read a small number of bytes beyond the declared data block boundary, potentially disclosing process memory contents that could be combined with other vulnerabilities. This issue has been fixed in version 0.10.6.1.

EPSS

Процентиль: 17%
0.00254
Низкий