A critical vulnerability has been uncovered in libpng, the official PNG reference library used by practically every operating system and web browser in existence. The flaw, assigned CVE-2026-25646, is a heap buffer overflow in the png_set_quantize() function that allows attackers to crash applications or potentially execute arbitrary code. The vulnerability is particularly notable for its […] The post 30-Year-Old Libpng Vulnerability Exposes Millions of Systems to Code Execution Attacks appeared first on Cyber Security News.