VYPR
Unrated severityNVD Advisory· Published Dec 3, 2025· Updated Dec 4, 2025

LIBPNG has an out-of-bounds read in png_image_read_composite

CVE-2025-66293

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

38

Patches

Vulnerability mechanics

References

4

News mentions

0

No linked articles in our index yet.