CVE-2026-111125
6.1 MEDIUMpublic exploit availablePublished 2026-10-15 · Updated 2026-10-16
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weaknesses
CWE-125
Public exploit & PoC references
All references
- https://github.com/HEASARC/cfitsio
- https://github.com/HEASARC/cfitsio/blob/d6d27653740864a0483e74cff23c53e34e1dceee/fits_hdecompress.c#L2575-L2633
- https://github.com/HEASARC/cfitsio/blob/d6d27653740864a0483e74cff23c53e34e1dceee/imcompress.c#L6310-L6316
- https://hackmd.io/@haind-pwn/cfitsio-zdither0-dither-seed-oob-read
- https://www.vulncheck.com/advisories/cfitsio-through-4.7.0-heap-out-of-bounds-read-via-hcompress-input-nnybble
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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