205 lines
7.9 KiB
JSON
205 lines
7.9 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-2026-45557",
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"assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725",
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"state": "PUBLISHED",
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"assignerShortName": "cisa-cg",
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"dateReserved": "2026-05-12T18:08:43.759Z",
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"datePublished": "2026-05-19T13:47:47.291Z",
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"dateUpdated": "2026-05-19T14:57:56.327Z"
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},
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"containers": {
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"cna": {
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"descriptions": [
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{
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"lang": "en",
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"value": "Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0."
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}
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],
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"affected": [
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{
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"vendor": "Technitium",
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"product": "DNS Server",
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"defaultStatus": "unknown",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"lessThan": "15.0",
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"versionType": "custom"
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},
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{
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"version": "15.0",
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"status": "unaffected"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"description": "CWE-405 Asymmetric Resource Consumption (Amplification)",
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-405"
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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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"description": "CWE-406 Insufficient Control of Network Message Volume (Network Amplification)",
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-406"
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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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"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-770"
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}
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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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"cvssV3_1": {
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"scope": "CHANGED",
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"version": "3.1",
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"baseScore": 5.8,
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"attackVector": "NETWORK",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "LOW",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "NONE"
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}
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},
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{
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"cvssV4_0": {
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"version": "4.0",
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"baseScore": 6.9,
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"attackVector": "NETWORK",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"subIntegrityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"subAvailabilityImpact": "LOW",
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"vulnAvailabilityImpact": "LOW",
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"subConfidentialityImpact": "NONE",
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"vulnConfidentialityImpact": "NONE"
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}
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},
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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": "2026-05-18T22:28:44.941438Z",
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"id": "CVE-2026-45557",
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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": "Technitium DNS Server excessive DNSSEC requests",
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"references": [
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{
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"name": "url",
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"url": "https://github.com/TechnitiumSoftware/DnsServer/blo/master/CHANGELOG.md#version-150",
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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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"name": "url",
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"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-138-02.json"
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},
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{
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"name": "url",
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"url": "https://www.cve.org/CVERecord?id=CVE-2026-45557"
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}
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],
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"credits": [
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{
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"value": "Shuhan Zhang, Tsinghua University",
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"lang": "en"
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},
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{
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"value": "Dan Li, Tsinghua University",
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"lang": "en"
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},
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{
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"value": "Baojun Liu, Tsinghua University",
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"lang": "en"
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}
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],
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"datePublic": "2026-05-19T00:00:00.000Z",
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"providerMetadata": {
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"orgId": "9119a7d8-5eab-497f-8521-727c672e3725",
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"shortName": "cisa-cg",
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"dateUpdated": "2026-05-19T13:47:47.291Z"
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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": "2026-05-19T14:53:37.637177Z",
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"id": "CVE-2026-45557",
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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": "2026-05-19T14:57:56.327Z"
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}
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}
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]
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}
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} |