CVE-2025-66293
NixOS vulnerability analysis and mitigation

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.


SourceNVD

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-69264CRITICAL9.8
  • JavaScriptJavaScript
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NoYesJan 07, 2026
CVE-2025-69263HIGH8.8
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CVE-2025-69262HIGH7.8
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CVE-2025-20807MEDIUM6.7
  • NixOSNixOS
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CVE-2026-21885MEDIUM6.5
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  • miniflux
NoYesJan 08, 2026

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