257 lines
11 KiB
JSON
257 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1",
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"cveMetadata": {
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"cveId": "CVE-2023-4408",
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"assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
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"state": "PUBLISHED",
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"assignerShortName": "isc",
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"dateReserved": "2023-08-18T07:59:28.420Z",
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"datePublished": "2024-02-13T14:04:17.519Z",
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"dateUpdated": "2025-03-14T16:16:25.564Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
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"shortName": "isc",
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"dateUpdated": "2024-04-26T09:06:37.227Z"
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},
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"title": "Parsing large DNS messages may cause excessive CPU load",
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"datePublic": "2024-02-13T00:00:00.000Z",
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"affected": [
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{
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"vendor": "ISC",
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"product": "BIND 9",
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"versions": [
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{
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"version": "9.0.0",
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"lessThanOrEqual": "9.16.45",
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"status": "affected",
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"versionType": "custom"
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},
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{
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"version": "9.18.0",
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"lessThanOrEqual": "9.18.21",
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"status": "affected",
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"versionType": "custom"
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},
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{
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"version": "9.19.0",
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"lessThanOrEqual": "9.19.19",
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"status": "affected",
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"versionType": "custom"
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},
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{
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"version": "9.9.3-S1",
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"lessThanOrEqual": "9.11.37-S1",
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"status": "affected",
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"versionType": "custom"
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},
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{
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"version": "9.16.8-S1",
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"lessThanOrEqual": "9.16.45-S1",
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"status": "affected",
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"versionType": "custom"
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},
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{
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"version": "9.18.11-S1",
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"lessThanOrEqual": "9.18.21-S1",
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"status": "affected",
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"versionType": "custom"
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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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"metrics": [
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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": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 7.5,
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"baseSeverity": "HIGH"
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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": "The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected `named` instance by exploiting this flaw. This issue affects both authoritative servers and recursive resolvers.\nThis issue affects BIND 9 versions 9.0.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1."
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}
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],
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"impacts": [
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{
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"descriptions": [
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{
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"lang": "en",
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"value": "By flooding the target server with queries exploiting this flaw an attacker can significantly impair the server's performance, effectively denying legitimate clients access to the DNS resolution service."
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}
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]
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}
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],
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"workarounds": [
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{
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"lang": "en",
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"value": "No workarounds known."
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}
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],
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"exploits": [
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{
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"lang": "en",
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"value": "We are not aware of any active exploits."
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "Upgrade to the patched release most closely related to your current version of BIND 9: 9.16.48, 9.18.24, 9.19.21, 9.16.48-S1, or 9.18.24-S1."
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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": "ISC would like to thank Shoham Danino from Reichman University, Anat Bremler-Barr from Tel-Aviv University, Yehuda Afek from Tel-Aviv University, and Yuval Shavitt from Tel-Aviv University for bringing this vulnerability to our attention."
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}
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],
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"references": [
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{
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"url": "https://kb.isc.org/docs/cve-2023-4408",
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"name": "CVE-2023-4408",
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"tags": [
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"vendor-advisory"
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]
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},
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{
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"url": "http://www.openwall.com/lists/oss-security/2024/02/13/1"
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},
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/"
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},
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/"
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},
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/"
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},
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{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/"
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},
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{
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"url": "https://security.netapp.com/advisory/ntap-20240426-0001/"
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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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},
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"adp": [
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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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"type": "CWE",
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"cweId": "CWE-407",
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"lang": "en",
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"description": "CWE-407 Inefficient Algorithmic Complexity"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2024-02-21T20:37:05.447060Z",
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"id": "CVE-2023-4408",
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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": "2025-03-14T16:16:25.564Z"
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}
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},
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-02T07:24:04.673Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://kb.isc.org/docs/cve-2023-4408",
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