Low
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 sourcePublished 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": [
{
"name": {
"value": "Qt",
"evidence": "/containers/cna/affected/0/product"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": []
}
],
"severity": "low",
"structured": {
"id": "CVE-2026-107157",
"aliases": [
"CVE-2026-107157"
],
"metrics": [
{
"format": "CVSS",
"cvssV4_0": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"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",
"providerUrgency": "AMBER",
"userInteraction": "PASSIVE",
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnerabilityResponseEffort": "LOW"
},
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"affected": [
{
"cpes": [
"cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*",
"cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*"
],
"vendor": "qt",
"modules": [
"qtbase"
],
"product": "Qt",
"versions": [
{
"status": "unaffected",
"version": "0",
"lessThan": "5.12.0",
"versionType": "python"
},
{
"status": "affected",
"version": "5.12.0",
"versionType": "python",
"lessThanOrEqual": "6.8.8"
},
{
"status": "affected",
"version": "6.9.0",
"versionType": "python",
"lessThanOrEqual": "6.11.2"
}
],
"platforms": [
"64 bit"
],
"defaultStatus": "unaffected"
}
],
"modified": "2026-10-27T07:52:45.806Z",
"provider": "cve",
"references": [
"https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107157:",
"https://codereview.qt-project.org/c/qt/qtbase/+/745719"
],
"provider_metadata": {
"adp": [
{
"title": "CISA ADP Vulnrichment",
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-107157",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-10-26T14:59:49.279269Z"
}
}
}
],
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-10-26T15:35:52.516Z"
}
}
],
"cna": {
"orgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3",
"shortName": "Qt",
"dateUpdated": "2026-10-27T07:52:45.806Z"
}
}
},
"related_cves": [
{
"value": "CVE-2026-107157",
"evidence": "/cveMetadata/cveId"
}
],
"security_relevant": true,
"severity_evidence": "/containers/cna/metrics"
},
"source_id": "core-cve",
"document_id": 391529,
"published_at": "2026-10-26T12:52:26.628+00:00"
}