206 lines
8.2 KiB
JSON
206 lines
8.2 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-2026-55738",
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"assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
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"state": "PUBLISHED",
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"assignerShortName": "TuranSec",
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"dateReserved": "2026-06-17T12:59:17.620Z",
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"datePublished": "2026-06-17T13:45:00.399Z",
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"dateUpdated": "2026-08-10T11:44:14.850Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
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"shortName": "TuranSec",
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"dateUpdated": "2026-08-10T11:44:14.850Z"
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},
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"title": "Stack Buffer Overflow in rxi/microtar raw_to_header() via non-null-terminated TAR name field",
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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-121",
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"description": "CWE-121 Stack-based Buffer Overflow",
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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-170",
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"description": "CWE-170 Improper Null Termination",
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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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"affected": [
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{
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"vendor": "rxi",
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"product": "microtar",
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"collectionURL": "https://github.com/rxi/microtar",
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"repo": "https://github.com/rxi/microtar",
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"programFiles": [
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"src/microtar.c"
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],
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"programRoutines": [
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{
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"name": "raw_to_header"
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}
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],
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"versions": [
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{
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"status": "affected",
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"version": "0.1.0",
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"versionType": "semver"
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}
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],
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"defaultStatus": "affected"
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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": "A stack-based buffer overflow exists in the raw_to_header function in src/microtar.c in rxi microtar 0.1.0. The function copies the 100-byte name and linkname fields of a TAR header with strcpy without guaranteeing null termination of the source.",
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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>A stack-based buffer overflow exists in the raw_to_header function in src/microtar.c in rxi microtar 0.1.0. The function copies the 100-byte name and linkname fields of a TAR header with strcpy without guaranteeing null termination of the source.</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://github.com/rxi/microtar/blob/master/src/microtar.c#L111",
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"tags": [
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"product"
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]
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},
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{
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"url": "https://github.com/rxi/microtar",
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"tags": [
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"product"
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]
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},
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{
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"url": "https://raw.githubusercontent.com/rxi/microtar/master/src/microtar.c",
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"name": "Vulnerable source code: src/microtar.c (raw_to_header)",
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"tags": [
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"technical-description"
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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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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseSeverity": "HIGH",
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"baseScore": 8.8,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
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}
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},
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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": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "PASSIVE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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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": "HIGH",
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"baseScore": 8.7,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Saidakbarxon Maxsudxonov",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"datePublic": "2026-06-17T13:45:00.399Z"
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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": "2026-06-17T15:00:50.582378Z",
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"id": "CVE-2026-55738",
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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": "total"
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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": "2026-06-17T15:00:58.607Z"
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}
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}
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]
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}
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} |