CVE-2026-6047
Estado: AplazadaMedia (5.4)—
LibreOffice can import documents in the OOXML format (DOCX). A heap buffer overflow existed when replaying deferred parser events for a text box element. A handler object was assumed to be of one type and written to at that type's field layout, but it could be a smaller object, so the write landed past the end of the allocation. In fixed versions the type is checked before the write.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 5.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.17%
- Percentil entre todas las CVEs puntuadas: 5
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-787, CWE-843
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-6047",
"cveTags": [],
"metrics": {
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{
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"id": "CVE-2026-6047",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
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"version": "2.0.3",
"timestamp": "2026-06-15T18:11:34.358602Z"
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"cvssMetricV40": [
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"baseScore": 5.4,
"Automatable": "NOT_DEFINED",
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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"providerUrgency": "NOT_DEFINED",
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"availabilityRequirement": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"affected": [
{
"source": "security@documentfoundation.org",
"affectedData": [
{
"vendor": "The Document Foundation",
"product": "LibreOffice",
"versions": [
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"version": "25.8",
"lessThan": "< 25.8.7",
"versionType": "25.8 series"
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"version": "26.2",
"lessThan": "< 26.2.3",
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"published": "2026-06-15T18:16:37.127",
"references": [
{
"url": "https://www.libreoffice.org/about-us/security/advisories/cve-2026-6047",
"source": "security@documentfoundation.org"
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"vulnStatus": "Deferred",
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"source": "security@documentfoundation.org",
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"value": "LibreOffice can import documents in the OOXML format (DOCX). A heap buffer overflow existed when replaying deferred parser events for a text box element. A handler object was assumed to be of one type and written to at that type's field layout, but it could be a smaller object, so the write landed past the end of the allocation. In fixed versions the type is checked before the write."
}
],
"lastModified": "2026-06-17T11:00:14.193",
"sourceIdentifier": "security@documentfoundation.org"
}