Vulnerability-Lookup

FKIE_CVE-2026-22859

Vulnerability from fkie_nvd - Published: 2026-01-14 18:16 - Updated: 2026-07-15 02:18

Severity

9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
7.4 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

Summary

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, the URBDRC client does not perform bounds checking on server‑supplied MSUSB_INTERFACE_DESCRIPTOR values and uses them as indices in libusb_udev_complete_msconfig_setup, causing an out‑of‑bounds read. This vulnerability is fixed in 3.20.1.

References

URL	Tags
security-advisories@github.com	https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1	Release Notes
security-advisories@github.com	https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-56f5-76qv-2r36	Exploit, Vendor Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:19033
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:3067
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:3068
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:3334
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:3975
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:4121
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:4433
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:4437
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:4438
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:4439
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:4440
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:4446
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:4471
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:4489
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/security/cve/CVE-2026-22859
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://bugzilla.redhat.com/show_bug.cgi?id=2429653
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22859.json

Impacted products

	Vendor	Product	Version
	freerdp	freerdp	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "FreeRDP",
          "vendor": "FreeRDP",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.20.1"
            }
          ]
        }
      ],
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    },
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            },
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              "versionType": "rpm"
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        },
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          "cpes": [
            "cpe:/o:redhat:enterprise_linux_eus:10.0"
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          "packageName": "freerdp",
          "product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "versionType": "rpm"
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          "product": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
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          "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
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  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1C802721-4198-476F-AE9E-78457C1CE38B",
              "versionEndExcluding": "3.20.1",
              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, the URBDRC client does not perform bounds checking on server\u2011supplied MSUSB_INTERFACE_DESCRIPTOR values and uses them as indices in libusb_udev_complete_msconfig_setup, causing an out\u2011of\u2011bounds read. This vulnerability is fixed in 3.20.1."
    },
    {
      "lang": "es",
      "value": "FreeRDP es una implementaci\u00f3n gratuita del Protocolo de Escritorio Remoto. Antes de la versi\u00f3n 3.20.1, el cliente URBDRC no realiza comprobaci\u00f3n de l\u00edmites en los valores MSUSB_INTERFACE_DESCRIPTOR proporcionados por el servidor y los utiliza como \u00edndices en libusb_udev_complete_msconfig_setup, causando una lectura fuera de l\u00edmites. Esta vulnerabilidad est\u00e1 corregida en la versi\u00f3n 3.20.1."
    }
  ],
  "id": "CVE-2026-22859",
  "lastModified": "2026-07-15T02:18:38.717",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
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        "source": "nvd@nist.gov",
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          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
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          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
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          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "HIGH",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.6,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
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        "source": "security-advisories@github.com",
        "type": "Secondary"
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    "ssvcV203": [
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            {
              "automatable": "no"
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            {
              "technicalImpact": "partial"
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          "role": "CISA Coordinator",
          "timestamp": "2026-01-14T21:12:56.146010Z",
          "version": "2.0.3"
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  "published": "2026-01-14T18:16:43.657",
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      "tags": [
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CVE-2026-22859 (GCVE-0-2026-22859)

Vulnerability from cvelistv5 – Published: 2026-01-14 17:57 – Updated: 2026-08-19 12:05

Title

FreeRDP has a heap-buffer-overflow in urb_select_configuration

Summary

Severity

5.6 (Medium)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

7.4 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-14 21:12 UTC

CWE

CWE-125 - Out-of-bounds Read
CWE-129 - Improper Validation of Array Index

Assigner

GitHub_M mitre root Scorecard

References

19 references

URL	Tags
https://github.com/FreeRDP/FreeRDP/security/advis…	x_refsource_CONFIRM
https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1	x_refsource_MISC
https://access.redhat.com/security/cve/CVE-2026-22859	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2429653	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:4471	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4121	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3068	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19033	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3334	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4433	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4439	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4446	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4440	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4489	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4437	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4438	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3975	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3067	vendor-advisoryx_refsource_REDHAT

Impacted products

19 products

Vendor	Product	Version
FreeRDP	FreeRDP	Affected: < 3.20.1
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 2:3.10.3-12.el10_2.2 , < * (rpm) Unaffected: 2:3.10.3-5.el10_1.2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 2:3.10.3-3.el10_0.2 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support	Unaffected: 0:2.1.1-5.el7_9.2 , < * (rpm) cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 2:2.11.7-3.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8.2 Advanced Update Support	Unaffected: 2:2.0.0-46.rc4.el8_2.7 , < * (rpm) cpe:/a:redhat:rhel_aus:8.2
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	Unaffected: 2:2.2.0-8.el8_4 , < * (rpm) cpe:/a:redhat:rhel_aus:8.4
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	Unaffected: 2:2.2.0-8.el8_4 , < * (rpm) cpe:/a:redhat:rhel_eus_long_life:8.4
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	Unaffected: 2:2.2.0-7.el8_6.2 , < * (rpm) cpe:/a:redhat:rhel_aus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Telecommunications Update Service	Unaffected: 2:2.2.0-7.el8_6.2 , < * (rpm) cpe:/a:redhat:rhel_tus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions	Unaffected: 2:2.2.0-7.el8_6.2 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.6
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	Unaffected: 2:2.2.0-12.el8_8.2 , < * (rpm) cpe:/a:redhat:rhel_tus:8.8
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	Unaffected: 2:2.2.0-12.el8_8.2 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 2:2.11.7-1.el9_7.2 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions	Unaffected: 2:2.4.1-3.el9_0.1 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.0
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 2:2.4.1-6.el9_2.3 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.2
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	Unaffected: 2:2.11.2-1.el9_4.2 , < * (rpm) cpe:/a:redhat:rhel_eus:9.4
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 2:2.11.7-1.el9_6.2 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6

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            "value": "RHSA-2026:4121: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:3068: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:19033: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:3334: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4433: Red Hat Enterprise Linux AppStream AUS (v. 8.2)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4439: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4446: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4440: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4489: Red Hat Enterprise Linux AppStream E4S (v.9.0)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4437: Red Hat Enterprise Linux AppStream E4S (v.9.2)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4438: Red Hat CodeReady Linux Builder EUS (v.9.4), Red Hat Enterprise Linux AppStream EUS (v.9.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:3975: Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux AppStream EUS (v.9.6)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:3067: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2026-01-14T18:01:32.314Z",
            "value": "Reported to Red Hat."
          },
          {
            "lang": "en",
            "time": "2026-01-14T17:57:37.000Z",
            "value": "Made public."
          }
        ],
        "title": "freerdp: FreeRDP heap-buffer-overflow",
        "workarounds": [
          {
            "lang": "en",
            "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."
          }
        ],
        "x_adpType": "supplier",
        "x_generator": {
          "engine": "sadp-cli 1.0.0"
        }
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "FreeRDP",
          "vendor": "FreeRDP",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.20.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, the URBDRC client does not perform bounds checking on server\u2011supplied MSUSB_INTERFACE_DESCRIPTOR values and uses them as indices in libusb_udev_complete_msconfig_setup, causing an out\u2011of\u2011bounds read. This vulnerability is fixed in 3.20.1."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "HIGH",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125: Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-129",
              "description": "CWE-129: Improper Validation of Array Index",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-14T17:57:37.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-56f5-76qv-2r36",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-56f5-76qv-2r36"
        },
        {
          "name": "https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1"
        }
      ],
      "source": {
        "advisory": "GHSA-56f5-76qv-2r36",
        "discovery": "UNKNOWN"
      },
      "title": "FreeRDP has a heap-buffer-overflow in urb_select_configuration"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-22859",
    "datePublished": "2026-01-14T17:57:37.000Z",
    "dateReserved": "2026-01-12T16:20:16.746Z",
    "dateUpdated": "2026-08-19T12:05:04.736Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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FKIE_CVE-2026-22859

CVE-2026-22859 (GCVE-0-2026-22859)

Tags

Sightings

Nomenclature

Related by attack behaviour