235 lines
9.6 KiB
JSON
235 lines
9.6 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-2026-59646",
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"assignerOrgId": "91579145-5d7b-4cc5-b925-a0262ff19630",
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"state": "PUBLISHED",
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"assignerShortName": "bcorg",
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"dateReserved": "2026-07-06T06:58:29.263Z",
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"datePublished": "2026-08-03T00:48:29.386Z",
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"dateUpdated": "2026-08-03T14:53:11.064Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "91579145-5d7b-4cc5-b925-a0262ff19630",
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"shortName": "bcorg",
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"dateUpdated": "2026-08-03T04:59:50.231Z"
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},
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"title": "DTLS handshake reassembler allocates buffer from unchecked 24-bit length",
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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-789",
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"description": "CWE-789 Memory Allocation with Excessive Size Value",
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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": "Legion of the Bouncy Castle Inc.",
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"product": "BC-JAVA",
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"platforms": [
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"all"
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],
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"collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
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"packageName": "bctls",
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"repo": "https://github.com/bcgit/bc-java",
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"packageURL": "pkg:maven/org.bouncycastle/bctls-jdk18on",
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"modules": [
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"tls"
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],
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"programFiles": [
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"DTLSReliableHandshake"
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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",
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"lessThan": "1.85",
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"versionType": "maven"
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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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"vendor": "Legion of the Bouncy Castle Inc.",
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"product": "BC-LTS-JAVA",
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"platforms": [
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"all"
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],
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"collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-lts/",
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"packageName": "bctls-lts8on",
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"repo": "https://github.com/bcgit/bc-lts-java",
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"packageURL": "pkg:maven/org.bouncycastle/bctls-lts8on",
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"modules": [
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"tls"
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],
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"programFiles": [
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"DTLSReliableHandshake"
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],
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"versions": [
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{
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"status": "affected",
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"version": "2.73.0",
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"lessThan": "2.73.12",
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"versionType": "maven"
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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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"vendor": "Legion of the Bouncy Castle Inc.",
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"product": "BC-FJA",
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"platforms": [
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"all"
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],
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"collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
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"packageName": "bctls-fips",
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"packageURL": "pkg:maven/org.bouncycastle/bctls-fips",
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"versions": [
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{
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"status": "affected",
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"version": "1.0.0",
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"lessThan": "1.0.24",
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"versionType": "maven"
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},
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{
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"status": "affected",
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"version": "2.0.0",
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"lessThan": "2.0.24",
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"versionType": "maven"
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},
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{
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"status": "affected",
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"version": "2.1.0",
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"lessThan": "2.1.24",
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"versionType": "maven"
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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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"descriptions": [
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{
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"lang": "en",
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"value": "In Bouncy Castle for Java before 1.85, DTLS handshake reassembler allocates buffer from unchecked 24-bit length. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctls-fips 1.0.24 (1.0.X series), 2.0.24 (2.0.X series) and 2.1.24 (2.1.X series).",
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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>In Bouncy Castle for Java before 1.85, DTLS handshake reassembler allocates buffer from unchecked 24-bit length. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctls-fips 1.0.24 (1.0.X series), 2.0.24 (2.0.X series) and 2.1.24 (2.1.X series).</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/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059646",
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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": "https://github.com/bcgit/bc-java/commit/2ea38942c7917f6d7ab4de93d8a5336d021df0d9",
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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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"url": "https://github.com/bcgit/bc-java/commit/2d98721e71bbd822ffa0f84e088eea645cf679fa",
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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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"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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"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": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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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": "AMBER",
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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:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Amber"
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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": "Alex Gaynor in collaboration with Claude and Anthropic Research",
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"type": "reporter"
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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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"x_generator": {
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"engine": "bc release-notes template"
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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": "2026-08-03T14:52:56.642144Z",
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"id": "CVE-2026-59646",
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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": "yes"
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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": "2026-08-03T14:53:11.064Z"
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}
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}
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]
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}
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} |