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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 attacker could potentially exploit this flaw by sending a specially crafted RDP packet containing malformed capability data. Due to missing bounds checks, the xrdp process may perform out-of-bounds memor
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:01ba4bc5f13c6e33aed905bf2bc39bc41fa87d1b7661ee52afadf3c3a5e1824d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"xrdp","vendor":"neutrinolabs","versions":[{"status":"affected","version":"< 0.10.6.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fc061e9e17f5c5f178ca5f2cde5d69cc8d8ceaf49b4d2f656214e100e5ed6b95 · sha256:e69e6d81cc8cdd49… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fc061e9e17f5c5f178ca5f2cde5d69cc8d8ceaf49b4d2f656214e100e5ed6b95 · sha256:e69e6d81cc8cdd49… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-126","description":"CWE-126: Buffer Over-read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fc061e9e17f5c5f178ca5f2cde5d69cc8d8ceaf49b4d2f656214e100e5ed6b95 · sha256:e69e6d81cc8cdd49… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6.1","tags":["x_refsource_MISC"],"url":"https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fc061e9e17f5c5f178ca5f2cde5d69cc8d8ceaf49b4d2f656214e100e5ed6b95 · sha256:e69e6d81cc8cdd49… · /containers/cna/references/1
{"name":"https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-mg8j-x9rw-9xv3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-mg8j-x9rw-9xv3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fc061e9e17f5c5f178ca5f2cde5d69cc8d8ceaf49b4d2f656214e100e5ed6b95 · sha256:e69e6d81cc8cdd49… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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