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Out-of-bounds read vulnerability in QCborValue::fromCbor() impacts Qt Framework

Type: advisorySources: Official CVE List

Specially crafted CBOR input passed to QCborValue::fromCbor() in Qt Core can cause an out-of-bounds read, which may crash the application and could expose information.

Products
Qt
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-107157
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 13:38 UTC · Revision 1

Source evidence

Out-of-bounds read vulnerability in QCborValue::fromCbor() impacts Qt Framework

core-cve · Original source

Published 26 Oct 2026, 12:52 UTC

Specially crafted CBOR input passed to QCborValue::fromCbor() in Qt Core can cause an out-of-bounds read, which may crash the application and could expose information.

cve:CVE-2026-107157

Qt

Fixed versions: Not specified

Complete source record
{
  "id": "153d6bc89c57283d76d2d14339f28aa5a23e60e944bb2e76948332f1964bef80",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-107157",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Out-of-bounds read vulnerability in QCborValue::fromCbor() impacts Qt Framework",
    "summary": "Specially crafted CBOR input passed to QCborValue::fromCbor() in Qt Core can cause an out-of-bounds read, which may crash the application and could expose information.",
    "evidence": "cve:CVE-2026-107157",
    "products": [
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            "Safety": "NOT_DEFINED",
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            "baseScore": 2,
            "Automatable": "NOT_DEFINED",
            "attackVector": "LOCAL",
            "baseSeverity": "LOW",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/RE:L/U:Amber",
            "exploitMaturity": "UNREPORTED",
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              "lessThanOrEqual": "6.11.2"
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          ],
          "platforms": [
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          ],
          "defaultStatus": "unaffected"
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      "modified": "2026-10-27T07:52:45.806Z",
      "provider": "cve",
      "references": [
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      ],
      "provider_metadata": {
        "adp": [
          {
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            "metrics": [
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                    "options": [
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                    "version": "2.0.3",
                    "timestamp": "2026-10-26T14:59:49.279269Z"
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        "cna": {
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    },
    "related_cves": [
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    "security_relevant": true,
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  "source_id": "core-cve",
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  "published_at": "2026-10-26T12:52:26.628+00:00"
}