198 lines
8.1 KiB
JSON
198 lines
8.1 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-2026-45820",
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"assignerOrgId": "22e2d327-25fe-45d7-9f0c-dcd23b7108df",
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"state": "PUBLISHED",
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"assignerShortName": "seal",
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"dateReserved": "2026-05-13T12:03:13.544Z",
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"datePublished": "2026-07-22T06:57:13.726Z",
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"dateUpdated": "2026-07-22T12:53:38.246Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "22e2d327-25fe-45d7-9f0c-dcd23b7108df",
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"shortName": "seal",
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"dateUpdated": "2026-07-22T06:57:13.726Z"
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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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"cweId": "CWE-835",
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"description": "CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')",
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"type": "CWE"
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},
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{
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"lang": "en",
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"cweId": "CWE-400",
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"description": "CWE-400 Uncontrolled Resource Consumption",
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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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"impacts": [
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{
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"capecId": "CAPEC-469",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-469 HTTP DoS"
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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": "101arrowz",
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"product": "fflate",
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"platforms": [
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"Linux",
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"macOS",
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"Windows"
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],
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"versions": [
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{
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"status": "affected",
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"version": "0.4.5",
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"lessThanOrEqual": "0.4.8",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "0.5.0",
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"lessThanOrEqual": "0.5.3",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "0.6.0",
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"lessThanOrEqual": "0.6.10",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "0.7.0",
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"lessThanOrEqual": "0.7.4",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "0.8.0",
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"lessThanOrEqual": "0.8.2",
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"versionType": "semver"
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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": "fflate through 0.8.2 is vulnerable to denial of service via an infinite loop in unzipSync(). A crafted ZIP archive with a central directory entry declaring compressed_size=0xFFFFFFFF (ZIP64 sentinel) but missing the required ZIP64 extra field tag 0x0001 causes z64e() to loop indefinitely due to out-of-bounds reads returning undefined, which coerces to 0, keeping the loop condition permanently true.",
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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": "fflate through 0.8.2 is vulnerable to denial of service via an infinite loop in unzipSync(). A crafted ZIP archive with a central directory entry declaring compressed_size=0xFFFFFFFF (ZIP64 sentinel) but missing the required ZIP64 extra field tag 0x0001 causes z64e() to loop indefinitely due to out-of-bounds reads returning undefined, which coerces to 0, keeping the loop condition permanently true."
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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/101arrowz/fflate/blob/f7873560ad229c22c4b23b06c6a3806ffde77569/src/index.ts#L2714"
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},
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{
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"url": "https://www.npmjs.com/package/fflate"
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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": "UNREPORTED",
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"Safety": "NEGLIGIBLE",
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"Automatable": "YES",
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"Recovery": "USER",
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"valueDensity": "DIFFUSE",
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"vulnerabilityResponseEffort": "MODERATE",
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"providerUrgency": "AMBER",
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"version": "4.0",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.6,
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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/E:U/S:N/AU:Y/R:U/V:D/RE:M/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": "Seal Security",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "INTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.2"
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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": "2026-07-22T12:53:26.309456Z",
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"id": "CVE-2026-45820",
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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": "2026-07-22T12:53:38.246Z"
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}
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}
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]
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}
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} |