CVE-2025-4373
Estado: AplazadaMedia (4.8)—
A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
- Puntuación base: 4.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.64%
- Percentil entre todas las CVEs puntuadas: 49
- Fecha de la puntuación: 5/10/2026
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-124
Referencias
- https://access.redhat.com/errata/RHSA-2025:10855
- https://access.redhat.com/errata/RHSA-2025:11140
- https://access.redhat.com/errata/RHSA-2025:11327
- https://access.redhat.com/errata/RHSA-2025:11373
- https://access.redhat.com/errata/RHSA-2025:11374
- https://access.redhat.com/errata/RHSA-2025:11662
- https://access.redhat.com/errata/RHSA-2025:12275
- https://access.redhat.com/errata/RHSA-2025:13335
- https://access.redhat.com/errata/RHSA-2025:14988
- https://access.redhat.com/errata/RHSA-2025:14989
- https://access.redhat.com/errata/RHSA-2025:14990
- https://access.redhat.com/errata/RHSA-2025:14991
- https://access.redhat.com/security/cve/CVE-2025-4373
- https://bugzilla.redhat.com/show_bug.cgi?id=2364265
- https://gitlab.gnome.org/GNOME/glib/-/issues/3677
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-089022.html
JSON original (NVD)
Mostrar
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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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{
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{
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{
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],
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},
{
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],
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},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
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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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}
],
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},
{
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],
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},
{
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],
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]
}
],
"published": "2025-05-06T15:16:05.320",
"references": [
{
"url": "https://access.redhat.com/errata/RHSA-2025:10855",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2025:11140",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2025:11327",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2025:11373",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2025:11374",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2025:11662",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2025:12275",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2025:13335",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2025:14988",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2025:14989",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2025:14990",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/errata/RHSA-2025:14991",
"source": "secalert@redhat.com"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2025-4373",
"source": "secalert@redhat.com"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2364265",
"source": "secalert@redhat.com"
},
{
"url": "https://gitlab.gnome.org/GNOME/glib/-/issues/3677",
"source": "secalert@redhat.com"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html",
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-089022.html",
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "secalert@redhat.com",
"description": [
{
"lang": "en",
"value": "CWE-124"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite."
},
{
"lang": "es",
"value": "Se encontró una falla en GLib que causa un desbordamiento de enteros en la función g_string_insert_unichar(). Cuando la posición donde se inserta el carácter es grande, esta se desborda, lo que provoca una subscritura del búfer."
}
],
"lastModified": "2026-09-21T18:17:05.667",
"sourceIdentifier": "secalert@redhat.com"
}