Understanding and Defending Against CVE-2026-56711: A Buffer Overflow Vulnerability in VLC Media Player
CVE-2026-56711 is a buffer overflow vulnerability in VLC media player that allows attackers to execute arbitrary code. The vulnerability is caused by a 32-bit arithmetic computation in the AllocatePicture function that leads to a buffer overflow when a crafted PNG file with large width and height is processed. This vulnerability has a CVSS score of 8.8 and is classified as HIGH severity.