CVE-2025-66293 — Out-of-bounds Read in Libpng
Severity
7.1HIGHNVD
EPSS
0.1%
top 69.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 3
Latest updateFeb 12
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 ma…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:HExploitability: 2.8 | Impact: 4.2
Affected Packages2 packages
Patches
🔴Vulnerability Details
4OSV▶
CVE-2025-66293: LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files↗2025-12-03
📋Vendor Advisories
5Debian▶
CVE-2025-66293: libpng1.6 - LIBPNG is a reference library for use in applications that read, create, and man...↗2025