CVE-2025-14905
Estado: AplazadaAlta (7.2)—
A flaw was found in the 389-ds-base server. A heap buffer overflow vulnerability exists in the `schema_attr_enum_callback` function within the `schema.c` file. This occurs because the code incorrectly calculates the buffer size by summing alias string lengths without accounting for additional formatting characters. When a large number of aliases are processed, this oversight can lead to a heap overflow, potentially allowing a remote attacker to cause a Denial of Service (DoS) or achieve Remote Code Execution (RCE).
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.2
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.18%
- Percentil entre todas las CVEs puntuadas: 67
- 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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1059Command and Scripting Interpreterexecution75 % - Impacto secundario
T1499.004Application or System Exploitationimpact80 %
Vector CVSS con AV:N/PR:H sin UI:R indica explotación remota por usuario privilegiado (T1210). Heap buffer overflow en schema.c permite RCE (T1059) o DoS (T1499.004); CWE-122 confirma desbordamiento de buffer.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-122
Referencias
- https://access.redhat.com/errata/RHSA-2026:3189
- https://access.redhat.com/errata/RHSA-2026:3208
- https://access.redhat.com/errata/RHSA-2026:3379
- https://access.redhat.com/errata/RHSA-2026:3504
- https://access.redhat.com/errata/RHSA-2026:4207
- https://access.redhat.com/errata/RHSA-2026:4661
- https://access.redhat.com/errata/RHSA-2026:4720
- https://access.redhat.com/errata/RHSA-2026:5196
- https://access.redhat.com/errata/RHSA-2026:5511
- https://access.redhat.com/errata/RHSA-2026:5512
- https://access.redhat.com/errata/RHSA-2026:5513
- https://access.redhat.com/errata/RHSA-2026:5514
- https://access.redhat.com/errata/RHSA-2026:5568
- https://access.redhat.com/errata/RHSA-2026:5569
- https://access.redhat.com/errata/RHSA-2026:5576
- https://access.redhat.com/errata/RHSA-2026:5597
- https://access.redhat.com/errata/RHSA-2026:5598
- https://access.redhat.com/errata/RHSA-2026:6220
- https://access.redhat.com/errata/RHSA-2026:6268
- https://access.redhat.com/security/cve/CVE-2025-14905
- https://bugzilla.redhat.com/show_bug.cgi?id=2423624
JSON original (NVD)
Mostrar
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"value": "A flaw was found in the 389-ds-base server. A heap buffer overflow vulnerability exists in the `schema_attr_enum_callback` function within the `schema.c` file. This occurs because the code incorrectly calculates the buffer size by summing alias string lengths without accounting for additional formatting characters. When a large number of aliases are processed, this oversight can lead to a heap overflow, potentially allowing a remote attacker to cause a Denial of Service (DoS) or achieve Remote Code Execution (RCE)."
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"value": "Se encontró un defecto en el servidor 389-ds-base. Existe una vulnerabilidad de desbordamiento de búfer de montículo en la función 'schema_attr_enum_callback' dentro del archivo 'schema.c'. Esto ocurre porque el código calcula incorrectamente el tamaño del búfer al sumar las longitudes de las cadenas de alias sin tener en cuenta los caracteres de formato adicionales. Cuando se procesa un gran número de alias, este descuido puede conducir a un desbordamiento de montículo, lo que podría permitir a un atacante remoto causar una denegación de servicio (DoS) o lograr ejecución remota de código (RCE)."
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