CVE-2014-1525

Estado: ModificadaAlta (9.3)—
The mozilla::dom::TextTrack::AddCue function in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 does not properly perform garbage collection for Text Track Manager variables, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and heap memory corruption) via a crafted VIDEO element in an HTML document.
CVSS

Versión: 2.0
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Puntuación base: 9.3
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 4.41%
Percentil entre todas las CVEs puntuadas: 91
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).
Tecnologías afectadas (5)

Canonical — Ubuntu Linux Fedoraproject — Fedora Mozilla — Firefox Mozilla — Seamonkey Opensuse — Opensuse
CWE

CWE-416, CWE-787
Referencias

JSON original (NVD)

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  "id": "CVE-2014-1525",
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          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
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          "confidentialityImpact": "COMPLETE"
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      "value": "The mozilla::dom::TextTrack::AddCue function in Mozilla Firefox before 29.0 and SeaMonkey before 2.26 does not properly perform garbage collection for Text Track Manager variables, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and heap memory corruption) via a crafted VIDEO element in an HTML document."
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      "value": "La función mozilla::dom::TextTrack::AddCue en Mozilla Firefox anterior a 29.0 y SeaMonkey anterior a 2.26 no realiza debidamente la recogida de basura para variables Text Track Manager variables, lo que permite a atacantes remotos ejecutar código arbitrario o causar una denegación de servicio (uso después de liberación y corrupción de memoria dinámica) a través de un elemento VIDEO manipulado en un documento HTML."
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