CVE-2025-66293

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.

The following products are affected by CVE-2025-66293 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-66293.

URL	Resource
http://www.openwall.com/lists/oss-security/2025/12/03/6
http://www.openwall.com/lists/oss-security/2025/12/03/7
http://www.openwall.com/lists/oss-security/2025/12/03/8
https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1
https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a
https://github.com/pnggroup/libpng/issues/764
https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f
https://nvd.nist.gov/vuln/detail/CVE-2025-66293
https://www.cve.org/CVERecord?id=CVE-2025-66293