CVE-2026-107472

Full vulnerability record from the local CVENow database.

Description

An out-of-bounds read vulnerability in the QTextCodec TSCII encoding of the Qt 5 Compatibility APIs module (Qt Core in Qt 5 and earlier) impacts Qt. Applications that convert text to the TSCII encoding through QTextCodec may read memory outside the input buffer, which can cause the application to crash or misinterpret the data.

Severity

MEDIUM

CVSS score

4.3 (v4.0)

Vulnerability status

Awaiting Analysis

Source identifier

a59d8014-47c4-4630-ab43-e1b13cbe58e3

Published

2026-10-27 08:16:52.660000

Last modified

2026-10-27 15:03:41.023000

View original CVE JSON

{
  "id": "CVE-2026-107472",
  "sourceIdentifier": "a59d8014-47c4-4630-ab43-e1b13cbe58e3",
  "published": "2026-10-27T08:16:52.660",
  "lastModified": "2026-10-27T15:03:41.023",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An out-of-bounds read vulnerability in the QTextCodec TSCII encoding of the Qt 5 Compatibility APIs module (Qt Core in Qt 5 and earlier) impacts Qt. Applications that convert text to the TSCII encoding through QTextCodec may read memory outside the input buffer, which can cause the application to crash or misinterpret the data."
    }
  ],
  "affected": [
    {
      "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3",
      "affectedData": [
        {
          "vendor": "qt",
          "product": "Qt",
          "defaultStatus": "unaffected",
          "cpes": [
            "cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*",
            "cpe:2.3:a:qt:qt5compat:*:*:*:*:*:*:*:*",
            "cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "qt5compat",
            "qtbase"
          ],
          "versions": [
            {
              "version": "4.0.0",
              "lessThanOrEqual": "6.8.8",
              "versionType": "python",
              "status": "affected"
            },
            {
              "version": "6.9.0",
              "lessThanOrEqual": "6.11.2",
              "versionType": "python",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "4.0.0",
              "versionType": "python",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/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:U/V:X/RE:L/U:Green",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "PASSIVE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "UNREPORTED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "USER",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "LOW",
          "providerUrgency": "GREEN"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://codereview.qt-project.org/c/qt/qt5compat/+/762021",
      "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3"
    },
    {
      "url": "https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107472:",
      "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3"
    }
  ]
}