CVE-2026-111124: fallo de gravedad media en HEASARC cfitsio
CFITSIO through 4.7.0 Heap Out-of-Bounds Read via Negative ZDITHER0 Seed
Publicada el
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 6.9epss 0.1%
probabilidad de explotación
0.1%top 98% de las CVE
explotación observada
noninguna fuente lo reporta
CFITSIO through 4.7.0 contains a heap-based out-of-bounds read vulnerability in the imcompress.c unquantize helpers that allows attackers to read memory before the fits_rand_value table via a zero or negative ZDITHER0 seed. Attackers can supply a crafted FITS file with a SUBTRACTIVE_DITHER_1 compressed image, read through fits_open_file() and fits_read_pix(), to cause crashes or leak heap contents in decoded pixels.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Productos afectados
HEASARC · cfitsioCVEs relacionadas — HEASARC cfitsio
En el mismo producto, de las más peligrosas a las menos.
Referencias
https://github.com/HEASARC/cfitsiohttps://github.com/HEASARC/cfitsio/blob/d6d27653740864a0483e74cff23c53e34e1dceee/imcompress.c#L5353-L5362https://github.com/HEASARC/cfitsio/blob/d6d27653740864a0483e74cff23c53e34e1dceee/imcompress.c#L7495-L7516https://hackmd.io/@haind-pwn/cfitsio-zdither0-dither-seed-oob-readhttps://www.vulncheck.com/advisories/cfitsio-through-4.7.0-heap-out-of-bounds-read-via-negative-zdither0-seed