CVE-2024-3859
Estado: AnalizadaMedia (5.9)—
En las versiones de 32 bits había desbordamientos de enteros que conducían a una lectura fuera de los límites que potencialmente podría ser provocada por una fuente OpenType con formato incorrecto. Esta vulnerabilidad afecta a Firefox < 125 y Firefox ESR < 115.10.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N
- Puntuación base: 5.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.67%
- Percentil entre todas las CVEs puntuadas: 50
- 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 (3)
CWE
- CWE-125, CWE-190
Referencias
- https://bugzilla.mozilla.org/show_bug.cgi?id=1874489
- https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
- https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
- https://www.mozilla.org/security/advisories/mfsa2024-18/
- https://www.mozilla.org/security/advisories/mfsa2024-19/
- https://www.mozilla.org/security/advisories/mfsa2024-20/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1874489
- https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
- https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
- https://www.mozilla.org/security/advisories/mfsa2024-18/
- https://www.mozilla.org/security/advisories/mfsa2024-19/
- https://www.mozilla.org/security/advisories/mfsa2024-20/
JSON original (NVD)
Mostrar
{
"id": "CVE-2024-3859",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-3859",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-04-19T23:44:58.718152Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.9,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 4.2,
"exploitabilityScore": 1.6
}
]
},
"affected": [
{
"source": "security@mozilla.org",
"affectedData": [
{
"vendor": "Mozilla",
"product": "Firefox",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "125",
"versionType": "custom"
}
]
},
{
"vendor": "Mozilla",
"product": "Firefox ESR",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "115.10",
"versionType": "custom"
}
]
},
{
"vendor": "Mozilla",
"product": "Thunderbird",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "115.10",
"versionType": "custom"
}
]
}
]
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:mozilla:firefox:-:*:*:*:*:*:*:*"
],
"vendor": "mozilla",
"product": "firefox",
"versions": [
{
"status": "affected",
"version": "125"
}
],
"defaultStatus": "unknown"
},
{
"cpes": [
"cpe:2.3:a:mozilla:firefox_esr:115.0:*:*:*:*:*:*:*"
],
"vendor": "mozilla",
"product": "firefox_esr",
"versions": [
{
"status": "affected",
"version": "115.10"
}
],
"defaultStatus": "unknown"
},
{
"cpes": [
"cpe:2.3:a:mozilla:thunderbird:115.0:-:*:*:*:*:*:*"
],
"vendor": "mozilla",
"product": "thunderbird",
"versions": [
{
"status": "affected",
"version": "115.10"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2024-04-16T16:15:08.663",
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1874489",
"tags": [
"Issue Tracking"
],
"source": "security@mozilla.org"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "security@mozilla.org"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "security@mozilla.org"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2024-18/",
"tags": [
"Vendor Advisory"
],
"source": "security@mozilla.org"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2024-19/",
"tags": [
"Vendor Advisory"
],
"source": "security@mozilla.org"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2024-20/",
"tags": [
"Vendor Advisory"
],
"source": "security@mozilla.org"
},
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1874489",
"tags": [
"Issue Tracking"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2024-18/",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2024-19/",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2024-20/",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-125"
},
{
"lang": "en",
"value": "CWE-190"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10."
},
{
"lang": "es",
"value": "En las versiones de 32 bits había desbordamientos de enteros que conducían a una lectura fuera de los límites que potencialmente podría ser provocada por una fuente OpenType con formato incorrecto. Esta vulnerabilidad afecta a Firefox < 125 y Firefox ESR < 115.10."
}
],
"lastModified": "2026-06-17T07:45:18.417",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A9E787D0-BCFE-45BA-AC41-477D33CEBBE4",
"versionEndExcluding": "115.10"
},
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7334A1C6-C6BF-4C70-ADF1-736BCE0EA227",
"versionEndExcluding": "125.0"
},
{
"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E0E4DEC0-5D13-48E9-B6A5-2DC8F30785DE",
"versionEndExcluding": "115.10"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@mozilla.org"
}