CVE-2025-64506 — Out-of-bounds Read in Libpng
Severity
6.1MEDIUMNVD
EPSS
0.0%
top 92.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 25
Latest updateDec 11
Description
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, a heap buffer over-read vulnerability exists in libpng's png_write_image_8bit function when processing 8-bit images through the simplified write API with convert_to_8bit enabled. The vulnerability affects 8-bit grayscale+alpha, RGB/RGBA, and images with incomplete row data. A conditional guard incorrectly allows 8-bit inp…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:HExploitability: 1.8 | Impact: 4.2
Affected Packages2 packages
Patches
🔴Vulnerability Details
3OSV▶
CVE-2025-64506: LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files↗2025-11-25
CVEList▶
LIBPNG is vulnerable to a heap buffer over-read in `png_write_image_8bit` with grayscale+alpha or RGB/RGBA images↗2025-11-24