CVE-2026-52720

A heap buffer overflow vulnerability was found in GStreamer's librfb RFB/VNC client. The rectangle bounds check incorrectly validates area rather than individual dimensions, allowing a malicious VNC server to send a rectangle that extends beyond the framebuffer. A remote attacker could set up a...

CVE-2026-52720

GStreamer: librfb (RFB/VNC client) is affected by a heap buffer overflow caused by improper bounds checking of rectangle dimensions, allowing a malicious VNC server to send a rectangle extending beyond the framebuffer. This can lead to an out-of-bounds heap write and, per the report, potential co...