207 lines
8.3 KiB
JSON
207 lines
8.3 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-2026-22185",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-01-06T16:47:17.182Z",
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"datePublished": "2026-01-07T20:26:30.054Z",
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"dateUpdated": "2026-10-29T21:15:35.807Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-10-29T21:15:35.807Z"
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},
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"title": "OpenLDAP LMDB mdb_load Heap Buffer Underflow in readline()",
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "OpenLDAP Lightning Memory-Mapped Database (LMDB) versions 0.9.14 before 0.9.34, prior to commit 8e1fda8, contain a heap buffer underflow in the readline() function of mdb_load. When processing malformed input containing an embedded NUL byte, an unsigned offset calculation can underflow and cause an out-of-bounds read of one byte before the allocated heap buffer. This can cause mdb_load to crash, leading to a limited denial-of-service condition."
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}
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],
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"value": "OpenLDAP Lightning Memory-Mapped Database (LMDB) versions 0.9.14 before 0.9.34, prior to commit 8e1fda8, contain a heap buffer underflow in the readline() function of mdb_load. When processing malformed input containing an embedded NUL byte, an unsigned offset calculation can underflow and cause an out-of-bounds read of one byte before the allocated heap buffer. This can cause mdb_load to crash, leading to a limited denial-of-service condition."
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}
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],
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"affected": [
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{
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"defaultStatus": "unaffected",
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"product": "OpenLDAP",
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"vendor": "OpenLDAP Foundation",
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"versions": [
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{
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"lessThan": "0.9.34",
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"status": "affected",
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"version": "0.9.14",
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"versionType": "semver"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "0.9.14",
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"versionEndExcluding": "0.9.34"
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}
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]
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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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"cweId": "CWE-125",
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"description": "CWE-125 Out-of-bounds Read",
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"lang": "en",
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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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"cweId": "CWE-191",
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"description": "CWE-191 Integer Underflow (Wrap or Wraparound)",
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"lang": "en",
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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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"metrics": [
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{
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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"attackVector": "LOCAL",
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"baseScore": 4.6,
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"baseSeverity": "MEDIUM",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "ACTIVE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "LOW",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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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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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"references": [
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{
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"tags": [
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"technical-description",
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"exploit"
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],
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"url": "https://seclists.org/fulldisclosure/2026/Jan/5"
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},
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{
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"tags": [
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"technical-description",
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"exploit"
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],
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"url": "https://seclists.org/fulldisclosure/2026/Jan/8"
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},
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{
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"tags": [
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"product"
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],
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"url": "https://www.openldap.org/"
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},
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{
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/openldap-lmdb-mdb-load-heap-buffer-underflow-in-readline"
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},
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{
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"tags": [
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"issue-tracking",
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"patch"
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],
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"url": "https://bugs.openldap.org/show_bug.cgi?id=10421"
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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": "Ron Edgerson",
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"type": "finder"
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}
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],
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"x_generator": {
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"engine": "vulncheck"
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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": "2026-01-07T21:25:36.753538Z",
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"id": "CVE-2026-22185",
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"options": [
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{
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"Exploitation": "poc"
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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": "2026-01-07T21:25:58.538Z"
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}
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}
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]
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}
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} |