GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-13326 (GCVE-0-2026-13326)

Vulnerability from cvelistv5 – Published: 2026-09-11 06:11 – Updated: 2026-09-11 12:08
VLAI
Title
Out-of-bounds read and integer underflow vulnerability in QNdefNfcTextRecord impacts Qt NFC module
Summary
An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 12:08 UTC
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
Impacted products
Vendor Product Version CPE status
qt qt Affected: 5.2.0 , < 6.8.9 (python)
Affected: 6.9.0 , < 6.11.2 (python)
    cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
    cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-10 00:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-13326",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-11T12:08:03.702591Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-11T12:08:24.776Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "modules": [
            "qtconnectivity"
          ],
          "product": "qt",
          "repo": "https://code.qt.io/cgit/qt/qtconnectivity.git",
          "vendor": "qt",
          "versions": [
            {
              "lessThan": "6.8.9",
              "status": "affected",
              "version": "5.2.0",
              "versionType": "python"
            },
            {
              "lessThan": "6.11.2",
              "status": "affected",
              "version": "6.9.0",
              "versionType": "python"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.8.9",
                  "versionStartIncluding": "5.2.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.11.2",
                  "versionStartIncluding": "6.9.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "datePublic": "2026-09-10T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eAn out-of-bounds read in Qt NFC\u0027s language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.\u003c/p\u003e"
            }
          ],
          "value": "An out-of-bounds read in Qt NFC\u0027s language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-540",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-540 Overread Buffers"
            }
          ]
        },
        {
          "capecId": "CAPEC-92",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-92 Forced Integer Overflow"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "ADJACENT",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125 Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-191",
              "description": "CWE-191 Integer Underflow (Wrap or Wraparound)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-11T06:11:01.742Z",
        "orgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3",
        "shortName": "Qt"
      },
      "references": [
        {
          "name": "dev",
          "tags": [
            "patch"
          ],
          "url": "https://codereview.qt-project.org/c/qt/qtconnectivity/+/743136"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "Out-of-bounds read and integer underflow vulnerability in QNdefNfcTextRecord impacts Qt NFC module",
      "x_generator": {
        "engine": "Claude AI (Opus 5) - draft only, requires human validation before submission"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3",
    "assignerShortName": "Qt",
    "cveId": "CVE-2026-13326",
    "datePublished": "2026-09-11T06:11:01.742Z",
    "dateReserved": "2026-06-25T12:20:33.980Z",
    "dateUpdated": "2026-09-11T12:08:24.776Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-13326",
      "date": "2026-09-13",
      "epss": "0.00153",
      "percentile": "0.04754"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-13326\",\"sourceIdentifier\":\"a59d8014-47c4-4630-ab43-e1b13cbe58e3\",\"published\":\"2026-09-11T07:16:45.620\",\"lastModified\":\"2026-09-11T13:17:06.710\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An out-of-bounds read in Qt NFC\u0027s language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.\"}],\"affected\":[{\"source\":\"a59d8014-47c4-4630-ab43-e1b13cbe58e3\",\"affectedData\":[{\"vendor\":\"qt\",\"product\":\"qt\",\"defaultStatus\":\"unaffected\",\"modules\":[\"qtconnectivity\"],\"repo\":\"https://code.qt.io/cgit/qt/qtconnectivity.git\",\"versions\":[{\"version\":\"5.2.0\",\"lessThan\":\"6.8.9\",\"versionType\":\"python\",\"status\":\"affected\"},{\"version\":\"6.9.0\",\"lessThan\":\"6.11.2\",\"versionType\":\"python\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"a59d8014-47c4-4630-ab43-e1b13cbe58e3\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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\",\"baseScore\":6.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"ACTIVE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"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\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-09-11T12:08:03.702591Z\",\"id\":\"CVE-2026-13326\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"a59d8014-47c4-4630-ab43-e1b13cbe58e3\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"},{\"lang\":\"en\",\"value\":\"CWE-191\"}]}],\"references\":[{\"url\":\"https://codereview.qt-project.org/c/qt/qtconnectivity/+/743136\",\"source\":\"a59d8014-47c4-4630-ab43-e1b13cbe58e3\"}]}}",
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-11T16:34:04Z",
      "cve": "CVE-2026-13326",
      "id": "CVE-2026-13326",
      "initial_release_date": "2026-09-11T16:34:04Z",
      "product_status:known_affected": "273",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-13326",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-13326.json",
      "version": "2"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-13326\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-11T12:08:03.702591Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-11T12:08:21.237Z\"}}], \"cna\": {\"title\": \"Out-of-bounds read and integer underflow vulnerability in QNdefNfcTextRecord impacts Qt NFC module\", \"source\": {\"discovery\": \"INTERNAL\"}, \"impacts\": [{\"capecId\": \"CAPEC-540\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-540 Overread Buffers\"}]}, {\"capecId\": \"CAPEC-92\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-92 Forced Integer Overflow\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 6.9, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"ADJACENT\", \"baseSeverity\": \"MEDIUM\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"ACTIVE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"LOW\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"repo\": \"https://code.qt.io/cgit/qt/qtconnectivity.git\", \"vendor\": \"qt\", \"modules\": [\"qtconnectivity\"], \"product\": \"qt\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.2.0\", \"lessThan\": \"6.8.9\", \"versionType\": \"python\"}, {\"status\": \"affected\", \"version\": \"6.9.0\", \"lessThan\": \"6.11.2\", \"versionType\": \"python\"}], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2026-09-10T00:00:00.000Z\", \"references\": [{\"url\": \"https://codereview.qt-project.org/c/qt/qtconnectivity/+/743136\", \"name\": \"dev\", \"tags\": [\"patch\"]}], \"x_generator\": {\"engine\": \"Claude AI (Opus 5) - draft only, requires human validation before submission\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An out-of-bounds read in Qt NFC\u0027s language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eAn out-of-bounds read in Qt NFC\u0027s language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-125\", \"description\": \"CWE-125 Out-of-bounds Read\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-191\", \"description\": \"CWE-191 Integer Underflow (Wrap or Wraparound)\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.9\", \"versionStartIncluding\": \"5.2.0\"}, {\"criteria\": \"cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.2\", \"versionStartIncluding\": \"6.9.0\"}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"a59d8014-47c4-4630-ab43-e1b13cbe58e3\", \"shortName\": \"Qt\", \"dateUpdated\": \"2026-09-11T06:11:01.742Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-13326\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-11T12:08:24.776Z\", \"dateReserved\": \"2026-06-25T12:20:33.980Z\", \"assignerOrgId\": \"a59d8014-47c4-4630-ab43-e1b13cbe58e3\", \"datePublished\": \"2026-09-11T06:11:01.742Z\", \"assignerShortName\": \"Qt\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • 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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Loading…