205 lines
10 KiB
JSON
205 lines
10 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-2026-43176",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-05-01T14:12:55.991Z",
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"datePublished": "2026-05-06T11:27:50.150Z",
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"dateUpdated": "2026-10-19T19:16:22.766Z"
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},
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T12:26:18.965Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: pci: validate release report content before using for RTL8922DE\n\nThe commit 957eda596c76\n(\"wifi: rtw89: pci: validate sequence number of TX release report\")\ndoes validation on existing chips, which somehow a release report of SKB\nbecomes malformed. As no clear cause found, add rules ahead for RTL8922DE\nto avoid crash if it happens."
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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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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 8.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:A - The vulnerable path is in a PCI WiFi driver’s TX release-report handling, reached from device/firmware reports generated during wireless operation. A plausible attacker is an adjacent WiFi peer/AP/injector that can induce wireless traffic and repeated TX completions on affected RTL8922DE systems.\nAC:L - No race or special software privilege gate is required once the affected device is operating; the vulnerable report parser is reached through normal IRQ/NAPI processing. Although malformed reports are hardware/firmware-originated, repeated induced traffic makes low complexity the higher-severity defensible choice.\nPR:N - The path is entered from hardware interrupt/NAPI processing, not from an ioctl or privileged local API. An adjacent attacker does not need Linux credentials or kernel capabilities on the victim.\nUI:N - After the affected WiFi device is active, processing release reports requires no victim action at exploit time. The interrupt-driven reclaim path runs automatically.\nS:U - The impact is within the same host kernel/driver security authority. There is no VM escape, IOMMU bypass, or separate security scope crossed.\nC:H - The invalid TX channel can index outside or into unallocated `rtwpci->tx.rings` entries before list/SKB operations, creating kernel memory corruption potential beyond a pure NULL dereference. Under the required uncertainty rule, this is scored as high confidentiality impact.\nI:H - The same unvalidated channel selection can drive list manipulation and cleanup on an invalid/uninitialized TX ring, which is memory corruption with potential control-flow or data integrity impact. Under the required uncertainty rule, this is scored as high integrity impact.\nA:H - The related release-report bug is documented to cause a kernel NULL pointer dereference/oops in this reclaim path, and this fix explicitly prevents crashes from malformed reports. A remotely induced kernel crash is high availability impact."
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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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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/wireless/realtek/rtw89/pci.c"
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],
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"versions": [
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{
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"version": "110f3c11f440d78ef8a181f75456e24e428f69e4",
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"lessThan": "ebeaa3b24ba568ff8505165f954dba15cc53e4b3",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "110f3c11f440d78ef8a181f75456e24e428f69e4",
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"lessThan": "3e8a88b5e8b3506d9c5e031a65ba65ce9a0683a3",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "110f3c11f440d78ef8a181f75456e24e428f69e4",
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"lessThan": "5f93d611b33a05bd03d6843c8efe8cb6a1992620",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/wireless/realtek/rtw89/pci.c"
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],
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"versions": [
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{
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"version": "6.18",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.18",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.16",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.19.6",
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"lessThanOrEqual": "6.19.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.0",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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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:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.18",
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"versionEndExcluding": "6.18.16"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.18",
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"versionEndExcluding": "6.19.6"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.18",
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"versionEndExcluding": "7.0"
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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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"references": [
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{
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"url": "https://git.kernel.org/stable/c/ebeaa3b24ba568ff8505165f954dba15cc53e4b3"
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},
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{
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"url": "https://git.kernel.org/stable/c/3e8a88b5e8b3506d9c5e031a65ba65ce9a0683a3"
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},
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{
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"url": "https://git.kernel.org/stable/c/5f93d611b33a05bd03d6843c8efe8cb6a1992620"
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}
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],
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"title": "wifi: rtw89: pci: validate release report content before using for RTL8922DE",
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"x_generator": {
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"engine": "bippy-1.2.0"
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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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"id": "CVE-2026-43176",
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"role": "CISA Coordinator",
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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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"version": "2.0.3",
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"timestamp": "2026-10-16T15:15:20.006186Z"
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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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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-20",
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"description": "CWE-20 Improper Input Validation"
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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": "2026-10-19T19:16:22.766Z"
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}
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}
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]
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}
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} |