The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable     Network Graphics) raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's     simplified API allows reading up to 1012 bytes beyond the png_sRGB_base[512] array when processing valid     palette PNG images with partial transparency and gamma correction. The PNG files that trigger this     vulnerability are valid per the PNG specification; the bug is in libpng's internal state management.
    Upgrade to libpng 1.6.52 or later. (CVE-2025-66293)

Note that Nessus relies on the presence of the package as reported by the vendor.

Detections

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Linux Distros Unpatched Vulnerability : CVE-2025-66293

high Nessus Plugin ID 277411

Version 1.24