CVE-2026-19389
Multiple integer overflow and underflow vulnerabilities were found in the GStreamer gst-plugins-ugly ASF demuxer (asfdemux) when parsing header objects from crafted ASF, WMV, or WMA files. Insufficient validation of attacker-controlled length and size values can bypass bounds checks and cause out-of-bounds heap reads. This can result in application crash, denial of service, or limited information disclosure when untrusted media is processed.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
- Puntuación base: 7.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.58%
- Percentil entre todas las CVEs puntuadas: 46
- 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
T1203Exploitation for Client Executionexecution85 % - Impacto principal
T1499.004Application or System Exploitationimpact80 % - Impacto secundario
T1005Data from Local Systemcollection60 %
UI:R requiere interacción (abrir archivo preparado). Impactos: DoS por crash/integer overflow y lectura limitada de memoria; no ejecuta comandos.
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-190
Referencias
- https://access.redhat.com/errata/RHSA-2026:55435
- https://access.redhat.com/errata/RHSA-2026:55865
- https://access.redhat.com/errata/RHSA-2026:67882
- https://access.redhat.com/errata/RHSA-2026:67883
- https://access.redhat.com/errata/RHSA-2026:67930
- https://access.redhat.com/errata/RHSA-2026:67931
- https://access.redhat.com/security/cve/CVE-2026-19389
- https://bugzilla.redhat.com/show_bug.cgi?id=2513016
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12233
- https://gstreamer.freedesktop.org/releases/1.28/
- https://gstreamer.freedesktop.org/security/sa-2026-0075.html
JSON original (NVD)
Mostrar
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