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CVE-2026-91963 FreeRDP 2.0.0 through 3.30.0 Uninitialized Heap Memory Disclosure via urbdrc

🗓️ 15 Sep 2026 15:18:16Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

FreeRDP versions before 3.31.0 contain an uninitialized heap memory disclosure vulnerability in the urbdrc USB redirection channel. A malicious RDP server can induce failing USB transfers to read uninitialized heap memory from the client, defeatin...

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Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-91963
15 Sep 202615:18
cve
debiancve
Debian CVE
CVE-2026-91963
15 Sep 202615:18
debiancve
euvd
EUVD
EUVD-2026-78639
15 Sep 202615:18
euvd
nvd
NVD
CVE-2026-91963
15 Sep 202616:17
nvd
osv
OSV
DEBIAN-CVE-2026-91963
15 Sep 202616:17
osv
ptsecurity
Positive Technologies
PT-2026-92082
15 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-91963
15 Sep 202617:55
redhatcve
vulnrichment
Vulnrichment
CVE-2026-91963 FreeRDP 2.0.0 through 3.30.0 Uninitialized Heap Memory Disclosure via urbdrc
15 Sep 202615:18
vulnrichment
[
  {
    "vendor": "FreeRDP",
    "product": "FreeRDP",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "version": "2.0.0",
        "lessThan": "3.0.0",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "3.0.0",
        "lessThan": "3.31.0",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "3.31.0",
        "status": "unaffected"
      }
    ]
  },
  {
    "vendor": "FreeRDP",
    "product": "FreeRDP",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "3.31.0"
      },
      {
        "version": "3.31.0",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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15 Sep 2026 15:18Current
CVSS 3.16.5
CVSS 47.1
9