Legacy Libpng Flaw is a vulnerability tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed February 12, 2026; most recent activity February 12, 2026.
A critical vulnerability identified as CVE-2026-25646 has been found in libpng, affecting numerous operating systems and web browsers. This flaw, a heap buffer overflow in the png_set_quantize() function, could allow…