204 lines
8.9 KiB
JSON
204 lines
8.9 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-76151",
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"assignerOrgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3",
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"state": "PUBLISHED",
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"assignerShortName": "Qt",
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"dateReserved": "2026-08-19T06:21:50.153Z",
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"datePublished": "2026-09-16T09:58:00.053Z",
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"dateUpdated": "2026-09-16T13:19:40.054Z"
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},
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"orgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3",
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"shortName": "Qt",
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"dateUpdated": "2026-09-16T09:58:00.053Z"
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},
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"title": "Out-of-bounds read (buffer over-read) vulnerability in HTTP Cache-Control response header parsing impacts Qt Framework (QtNetwork module)",
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"datePublic": "2026-07-14T20:43:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-125",
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"description": "CWE-125 Out-of-bounds Read",
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"type": "CWE"
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}
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]
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},
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-197",
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"description": "CWE-197 Numeric Truncation Error",
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"type": "CWE"
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}
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]
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-540",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-540 Overread Buffers"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "qt",
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"product": "qt",
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"repo": "https://code.qt.io/cgit/qt/qtbase.git",
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"modules": [
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"qtbase"
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],
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"versions": [
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{
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"status": "affected",
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"version": "6.0.0",
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"lessThan": "6.8.9",
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"versionType": "python"
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},
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{
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"status": "affected",
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"version": "6.9.0",
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"lessThan": "6.11.2",
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"versionType": "python"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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{
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"operator": "OR",
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"nodes": [
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"operator": "OR",
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"versionStartIncluding": "6.0.0",
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"versionEndExcluding": "6.8.9"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.9.0",
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}
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "Out-of-bounds read (buffer over-read) in the HTTP Cache-Control response header parsing in the QtNetwork module in Qt Group Qt 6.0.0 through 6.8.8, and 6.9.0 through 6.11.1, allows remote attackers to cause a denial of service (application crash) via an excessively large Cache-Control header value returned by an untrusted or compromised HTTP server to an application using QNetworkAccessManager. Only the client side of the connection is affected and 32-bit builds are not affected; the out-of-bounds access is read-only, with no information disclosure and no code execution.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>Out-of-bounds read (buffer over-read) in the HTTP Cache-Control response header parsing in the QtNetwork module in Qt Group Qt 6.0.0 through 6.8.8, and 6.9.0 through 6.11.1, allows remote attackers to cause a denial of service (application crash) via an excessively large Cache-Control header value returned by an untrusted or compromised HTTP server to an application using QNetworkAccessManager. Only the client side of the connection is affected and 32-bit builds are not affected; the out-of-bounds access is read-only, with no information disclosure and no code execution.</p>"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://codereview.qt-project.org/c/qt/qtbase/+/752129",
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"name": "QtNetwork: port nextNonWhitespace() and all its users to qsizetype (dev)",
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"tags": [
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"patch"
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "UNREPORTED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NO",
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"Recovery": "AUTOMATIC",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "MEDIUM",
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"baseScore": 4.6,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:A"
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}
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}
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],
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"source": {
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"discovery": "INTERNAL"
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},
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"x_generator": {
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"engine": "Claude AI (Opus 5) — draft only, requires human validation before submission"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-16T13:19:18.218493Z",
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"id": "CVE-2026-76151",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-16T13:19:40.054Z"
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}
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}
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]
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}
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} |