PixelSmash – Critical FFmpeg Vulnerability Turns Media Files into Weapons

JFrog Security Research recently discovered and disclosed a critical vulnerability in FFmpeg, the world’s most widely deployed media processing framework. The discovered vulnerability, which we’ve named PixelSmash, is CVE-2026-8461 – a heap out-of-bounds write in the MagicYUV decoder (CVSS 8.8 High). We escalated this vulnerability from a simple crash all the way to reliable remote …