CVE-2019-7317
png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute.
- Actualiza a 1.6.34-1ubuntu0.18.04.2
Publicación Actualización
PatchFirst · Vulnerabilidades recientes
Vulnerabilidades publicadas para libpng1.6 en los últimos 30 días: 0. Incluidas en el catálogo KEV: 0.
Vulnerabilidades: 2
png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute.
In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.
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