CVE-2019-17025
Estado: ModificadaAlta (8.8)—
Los desarrolladores de Mozilla reportaron bugs de seguridad de memoria presentes en Firefox versión 71. Algunos de estos errores mostraron evidencia de corrupción de memoria y suponemos que con un esfuerzo suficiente algunos de estos podrían haber sido explotados para ejecutar código arbitrario. Esta vulnerabilidad afecta a Firefox versiones anteriores a la versión 72.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.26%
- Percentil entre todas las CVEs puntuadas: 69
- Fecha de la puntuación: 8/10/2026
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 (2)
CWE
- CWE-787
Referencias
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1328295%2C1328300%2C1590447%2C1590965%2C1595692%2C1597321%2C1597481
- https://usn.ubuntu.com/4234-1/
- https://www.mozilla.org/security/advisories/mfsa2020-01/
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1328295%2C1328300%2C1590447%2C1590965%2C1595692%2C1597321%2C1597481
- https://usn.ubuntu.com/4234-1/
- https://www.mozilla.org/security/advisories/mfsa2020-01/
JSON original (NVD)
Mostrar
{
"id": "CVE-2019-17025",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security@mozilla.org",
"affectedData": [
{
"vendor": "Mozilla",
"product": "Firefox",
"versions": [
{
"status": "affected",
"version": "before 72"
}
]
}
]
}
],
"published": "2020-01-08T22:15:12.967",
"references": [
{
"url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1328295%2C1328300%2C1590447%2C1590965%2C1595692%2C1597321%2C1597481",
"tags": [
"Broken Link"
],
"source": "security@mozilla.org"
},
{
"url": "https://usn.ubuntu.com/4234-1/",
"tags": [
"Third Party Advisory"
],
"source": "security@mozilla.org"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2020-01/",
"tags": [
"Vendor Advisory"
],
"source": "security@mozilla.org"
},
{
"url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1328295%2C1328300%2C1590447%2C1590965%2C1595692%2C1597321%2C1597481",
"tags": [
"Broken Link"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://usn.ubuntu.com/4234-1/",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2020-01/",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Mozilla developers reported memory safety bugs present in Firefox 71. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 72."
},
{
"lang": "es",
"value": "Los desarrolladores de Mozilla reportaron bugs de seguridad de memoria presentes en Firefox versión 71. Algunos de estos errores mostraron evidencia de corrupción de memoria y suponemos que con un esfuerzo suficiente algunos de estos podrían haber sido explotados para ejecutar código arbitrario. Esta vulnerabilidad afecta a Firefox versiones anteriores a la versión 72."
}
],
"lastModified": "2026-06-17T02:23:11.053",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1398139B-C837-4BF4-8555-5D722B91F646",
"versionEndExcluding": "72.0"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"vulnerable": true,
"matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CD783B0C-9246-47D9-A937-6144FE8BFF0F"
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@mozilla.org"
}