121 lines
4.9 KiB
JSON
121 lines
4.9 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-2026-54257",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-06-12T17:13:32.278Z",
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"datePublished": "2026-06-23T17:08:31.786Z",
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"dateUpdated": "2026-06-23T17:47:47.594Z"
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},
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"containers": {
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"cna": {
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"title": "Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-120",
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"lang": "en",
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"description": "CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')",
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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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"metrics": [
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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": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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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": 9.3,
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"baseSeverity": "CRITICAL",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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"version": "4.0"
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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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"name": "https://github.com/electron/electron/security/advisories/GHSA-q6m5-f73j-m9mc",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/electron/electron/security/advisories/GHSA-q6m5-f73j-m9mc"
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}
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],
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"affected": [
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{
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"vendor": "electron",
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"product": "electron",
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"versions": [
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{
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"version": ">= 42.3.1, < 42.3.3",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-06-23T17:08:31.786Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.1 until 42.3.3, Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow. Most apps will crash and some may perform incorrect buffer allocations in the Node.js Buffer API resulting in unexpected truncation or allocation. This vulnerability is fixed in 42.3.3."
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}
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],
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"source": {
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"advisory": "GHSA-q6m5-f73j-m9mc",
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"discovery": "UNKNOWN"
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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": "2026-06-23T17:47:37.791277Z",
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"id": "CVE-2026-54257",
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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": "2026-06-23T17:47:47.594Z"
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}
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}
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]
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}
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} |