CVE-2011-4579
Estado: ModificadaMedia (4.3)—
La función svq1_decode_frame en el decodificador SVQ1 (svq1dec.c) en libavcodec en FFmpeg v0.5.x anterior a v0.5.7, v0.6.x anterior a v0.6.4, v0.7.x anterior a v0.7.9, y v0.8.x anterior a v0.8.8; y en Libav v0.5.x anterior a v0.5.6, v0.6.x anterior a v0.6.4, y v0.7.x anterior a v0.7.3 permite a atacantes remotos causar una denegación de servicio (corrupción de memoria) a través de un (stream) SVQ1 modificado y relacionado con "dimensiones modificadas".
CVSS
- Versión: 2.0
- Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
- Puntuación base: 4.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.32%
- Percentil entre todas las CVEs puntuadas: 88
- Fecha de la puntuación: 8/10/2026
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 (2)
CWE
- CWE-119
Referencias
- http://ffmpeg.org/
- http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229
- http://libav.org/
- http://ubuntu.com/usn/usn-1320-1
- http://ubuntu.com/usn/usn-1333-1
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:074
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:075
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:076
- http://www.securityfocus.com/archive/1/520620
- http://ffmpeg.org/
- http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229
- http://libav.org/
- http://ubuntu.com/usn/usn-1320-1
- http://ubuntu.com/usn/usn-1333-1
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:074
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:075
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:076
- http://www.securityfocus.com/archive/1/520620
JSON original (NVD)
Mostrar
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