CVE-2025-64720

LIBPNG is vulnerable to a buffer overflow in `png_image_read_composite` via incorrect palette premultiplication

Description

In png_image_finish_read of pngrtran.c, there is a possible out of bounds read due to a buffer overflow. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Patch Available

Fix available through Seal Security.  
No upgrade required, protect your application instantly.

Fix without upgrading

Score

7.1

Severity

High

Ecosystem

RPM

Publish Date

May 31, 2026

Modified Date

June 15, 2026

Score Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Affected Versions