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CVE-2026-55639

Опубликовано: 20 июл. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 5.3

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.

РелизСтатусПримечание
devel

needs-triage

esm-apps-legacy/xenial

needs-triage

esm-apps/bionic

needs-triage

esm-apps/focal

needs-triage

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

esm-infra-legacy/trusty

needs-triage

jammy

needs-triage

noble

needs-triage

Показывать по

EPSS

Процентиль: 17%
0.00254
Низкий

5.3 Medium

CVSS3

Связанные уязвимости

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.

CVSS3: 5.3
debian
18 дней назад

xrdp is an open source RDP server. Versions 0.10.6 and prior contain a ...

EPSS

Процентиль: 17%
0.00254
Низкий

5.3 Medium

CVSS3

Уязвимость CVE-2026-55639