CVE-2025-9300 saitoha libsixel img2sixel encoder.c sixel_debug_print_palette stack-based overflow

A vulnerability was found in saitoha libsixel up to 1.10.3. Affected by this issue is the function sixeldebugprintpalette of the file src/encoder.c of the component img2sixel. The manipulation results in stack-based buffer overflow. The attack must be initiated from a local position. The exploit...