CVE-2025-7424
A flaw was found in the libxslt library. The same memory field, psvi, is used for both stylesheet and input data, which can lead to type confusion during XML transformations. This vulnerability allows an attacker to crash the application or corrupt memory. In some cases, it may lead to denial of service or unexpected behavior.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.24%
- Percentil entre todas las CVEs puntuadas: 68
- 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
T1190Exploit Public-Facing Applicationinitial access75 % - Impacto principal
T1499.004Application or System Exploitationimpact80 %
Vulnerabilidad en librería libxslt accesible remotamente sin autenticación (AV:N/PR:N/UI:N). CWE-843 (confusión de tipos) permite causar crash/DoS (A:H). Impacto primario: denegación de servicio por corrupción de memoria.
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 (3)
CWE
- CWE-843
Referencias
- https://access.redhat.com/errata/RHBA-2025:12345
- https://access.redhat.com/errata/RHSA-2026:11015
- https://access.redhat.com/security/cve/CVE-2025-7424
- https://bugzilla.redhat.com/show_bug.cgi?id=2379228
- https://gitlab.gnome.org/GNOME/libxslt/-/issues/139
- http://seclists.org/fulldisclosure/2025/Aug/0
- http://seclists.org/fulldisclosure/2025/Jul/30
- http://seclists.org/fulldisclosure/2025/Jul/32
- http://seclists.org/fulldisclosure/2025/Jul/33
- http://seclists.org/fulldisclosure/2025/Jul/35
- http://seclists.org/fulldisclosure/2025/Jul/37
- http://www.openwall.com/lists/oss-security/2025/07/11/2
- https://lists.debian.org/debian-lts-announce/2025/09/msg00024.html
JSON original (NVD)
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