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...

Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: smc: Use skdstget and dstdevrcu in smcclcprfxmatch CVE-2025-40168 kernel: Linux kernel Bluetooth: Denial of Service due to...

EUVD-2025-201641

In the Linux kernel, the following vulnerability has been resolved: fbdev: Add bounds checking in bitputcs to fix vmalloc-out-of-bounds Add bounds checking to prevent writes past framebuffer boundaries when rendering text near screen edges. Return early if the Y position is off-screen and clip...

gtk-vnc: Improper check of framebuffer boundaries when processing a tile

It was found that gtk-vnc lacked proper bounds checking while processing messages using RRE, hextile, or copyrect encodings. A remote malicious VNC server could use this flaw to crash VNC viewers which are based on the gtk-vnc library...