164 lines
6.6 KiB
JSON
164 lines
6.6 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-2026-128343",
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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": "2026-11-13T01:20:42.132Z",
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"datePublished": "2026-11-13T09:33:33.699Z",
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"dateUpdated": "2026-11-13T09:33:33.699Z"
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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": "2026-11-13T09:33:33.699Z"
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},
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"datePublic": "2026-10-16T00:00:00.000Z",
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"title": "ExcelJS through 4.4.0 Denial of Service via Oversized Row Number",
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"descriptions": [
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{
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"lang": "en",
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"value": "exceljs through 4.4.0 contains a denial of service vulnerability that allows attackers to block the event loop by supplying unbounded row r attributes parsed in row-xform.js. Attackers can craft an XLSX file with a row numbered far beyond Excel's limit, making getSheetValues(), workbook writes and CSV export consume time proportional to that number."
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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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"description": "Unchecked Input for Loop Condition",
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"cweId": "CWE-606",
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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": "exceljs",
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"product": "exceljs",
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"defaultStatus": "unaffected",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"versionType": "semver",
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"lessThanOrEqual": "4.4.0"
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}
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],
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"packageURL": "pkg:npm/exceljs"
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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:exceljs_project:exceljs:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "4.4.0"
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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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"metrics": [
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{
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"format": "CVSS",
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"cvssV4_0": {
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"version": "4.0",
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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",
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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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"vulnIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 8.7,
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"baseSeverity": "HIGH"
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}
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},
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{
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"format": "CVSS",
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"cvssV3_1": {
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"version": "3.1",
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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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"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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"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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"references": [
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{
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"url": "https://github.com/exceljs/exceljs",
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"tags": [
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"product"
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]
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},
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{
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"url": "https://github.com/mateocallec/exceljs-hardened/security/advisories/GHSA-3gm5-qxj8-89rr",
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"tags": [
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"third-party-advisory"
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],
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"name": "GitHub Security Advisory (GHSA-3gm5-qxj8-89rr)"
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},
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{
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"url": "https://github.com/exceljs/exceljs/blob/v4.4.0/lib/xlsx/xform/sheet/row-xform.js#L73-L77",
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"tags": [
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"technical-description"
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]
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},
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{
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"url": "https://github.com/exceljs/exceljs/blob/v4.4.0/lib/doc/worksheet.js#L886-L893",
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"tags": [
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"technical-description"
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]
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},
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{
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"url": "https://github.com/exceljs/exceljs/blob/v4.4.0/lib/doc/worksheet.js#L571-L580",
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"tags": [
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"technical-description"
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]
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},
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{
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"name": "VulnCheck Advisory: ExcelJS through 4.4.0 Denial of Service via Oversized Row Number",
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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/exceljs-through-4.4.0-denial-of-service-via-oversized-row-number"
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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": "Matéo Florian Callec",
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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-endgame"
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}
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}
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}
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} |