Security vulnerabilities and automated fixes for fits files issues
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A critical set of memory safety vulnerabilities was discovered and patched in `src/try_to_guess_image_fov.c`, a C-based FITS astronomical image processing pipeline. The vulnerabilities — including unsafe string operations, improper memory allocation, and potential integer overflows — created a comprehensive attack surface that could allow an attacker to craft a malicious FITS file and achieve arbitrary code execution. The fix replaces dangerous patterns like `strncpy` with `snprintf`, switches `