CVE-2026-3949
Gravedad CVSS v4.0:
MEDIA
Tipo:
CWE-119
Restricción de operaciones inapropiada dentro de los límites del búfer de la memoria
Fecha de publicación:
11/03/2026
Última modificación:
12/03/2026
Descripción
*** Pendiente de traducción *** A vulnerability was determined in strukturag libheif up to 1.21.2. This affects the function vvdec_push_data2 of the file libheif/plugins/decoder_vvdec.cc of the component HEIF File Parser. Executing a manipulation of the argument size can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called b97c8b5f198b27f375127cd597a35f2113544d03. It is advisable to implement a patch to correct this issue.
Impacto
Puntuación base 4.0
4.80
Gravedad 4.0
MEDIA
Puntuación base 3.x
3.30
Gravedad 3.x
BAJA
Puntuación base 2.0
1.70
Gravedad 2.0
BAJA
Referencias a soluciones, herramientas e información
- https://github.com/biniamf/pocs/tree/main/libheif_vvdec
- https://github.com/strukturag/libheif/
- https://github.com/strukturag/libheif/commit/b97c8b5f198b27f375127cd597a35f2113544d03
- https://github.com/strukturag/libheif/issues/1712
- https://github.com/strukturag/libheif/issues/1712#issuecomment-3947938531
- https://vuldb.com/?ctiid_350381=
- https://vuldb.com/?id_350381=
- https://vuldb.com/?submit_765979=



