CVE-2026-89266
Gravedad CVSS v4.0:
ALTA
Tipo:
CWE-787
Escritura fuera de límites
Fecha de publicación:
12/09/2026
Última modificación:
24/09/2026
Descripción
*** Pendiente de traducción *** stb_vorbis through 1.22 contains a heap buffer overflow in start_decoder() where the codebook multiplicands allocation size is truncated from size_t to int. Attackers can craft a malicious Ogg Vorbis file with large entries and dimensions values to trigger out-of-bounds writes, causing process crashes or heap corruption.
Impacto
Puntuación base 4.0
8.80
Gravedad 4.0
ALTA
Puntuación base 3.x
8.20
Gravedad 3.x
ALTA
Referencias a soluciones, herramientas e información
- https://github.com/nothings/stb
- https://github.com/nothings/stb/blob/2c980bb59875b0d32144a71867fbdebb2f77cd20/stb_vorbis.c#L3878-L3880
- https://github.com/nothings/stb/blob/2c980bb59875b0d32144a71867fbdebb2f77cd20/stb_vorbis.c#L950
- https://github.com/nothings/stb/issues/1928
- https://github.com/nothings/stb/issues/1933
- https://github.com/nothings/stb/issues/1947
- https://www.vulncheck.com/advisories/stb-vorbis-through-1.22-heap-buffer-overflow-via-codebook-multiplicands


