{"id":"CVE-2026-33516","state":"PUBLISHED","title":"xrdp: Pre-authentication out-of-bounds reads in RDP capability and channel parsers","description":"xrdp is an open source RDP server. Versions through 0.10.5 contain an out-of-bounds read vulnerability during the RDP capability exchange phase. The issue occurs when memory is accessed before validating the remaining buffer length. A remote, unauthenticated attacker can trigger this vulnerability by sending a specially crafted Confirm Active PDU. Successful exploitation could lead to a denial of service (process crash) or potential disclosure of sensitive information from the process memory. This issue has been fixed in version 0.10.6.","publishedAt":"2026-04-17T19:56:11.990Z","updatedAt":"2026-04-20T15:43:53.801Z","severity":{"score":7.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["neutrinolabs xrdp"],"affected":[{"vendor":"neutrinolabs","product":"xrdp","versions":[{"version":"< 0.10.6","status":"affected"}]}],"references":["https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-rvh9-9wm3-28c7","https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33516.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33516","state":"PUBLISHED","datePublished":"2026-04-17T19:56:11.990Z","dateUpdated":"2026-04-20T15:43:53.801Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-20T16:59:08.891Z"},"containers":{"cna":{"title":"xrdp: Pre-authentication out-of-bounds reads in RDP capability and channel parsers","descriptions":[{"lang":"en","value":"xrdp is an open source RDP server. Versions through 0.10.5 contain an out-of-bounds read vulnerability during the RDP capability exchange phase. The issue occurs when memory is accessed before validating the remaining buffer length. A remote, unauthenticated attacker can trigger this vulnerability by sending a specially crafted Confirm Active PDU. Successful exploitation could lead to a denial of service (process crash) or potential disclosure of sensitive information from the process memory. This issue has been fixed in version 0.10.6."}],"affected":[{"vendor":"neutrinolabs","product":"xrdp","versions":[{"version":"< 0.10.6","status":"affected"}]}],"references":[{"url":"https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-rvh9-9wm3-28c7","name":"https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-rvh9-9wm3-28c7","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6","name":"https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-17T19:56:11.990Z"},"source":{"advisory":"GHSA-rvh9-9wm3-28c7","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-20T15:42:34.531190Z","id":"CVE-2026-33516","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-20T15:43:53.801Z"}}]}}}