CVE-2026-111125 — CFITSIO through 4.7.0 Heap Out-of-Bounds Read via HCOMPRESS input_nnybble
CFITSIO through 4.7.0 contains a heap-based out-of-bounds read vulnerability in the HCOMPRESS tile decoder that allows attackers to read past the compressed tile buffer via inpu…
Published: 2026-10-15 · CVSS: 6.9 · CVSS 4.0
CFITSIO through 4.7.0 contains a heap-based out-of-bounds read vulnerability in the HCOMPRESS tile decoder that allows attackers to read past the compressed tile buffer via input_nnybble in fits_hdecompress.c. Attackers can supply a crafted FITS file with ZCMPTYPE HCOMPRESS_1 declaring oversized tile geometry to crash applications calling fits_read_pix or disclose limited heap memory.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7