CVE-2026-42170 Gimp: gimp dds plug-in heap-based buffer overflow via bpp mismatch in load_layer() (ddsread.c)

A heap-based buffer overflow vulnerability exists in the GIMP DDS DirectDraw Surface file parser. When a crafted DDS file declares a D3D9 pixel format but sets a lower bits-per-pixel bpp value in the header, the loader allocates an undersized heap buffer. Subsequent pixel data consumption at the...

CVE-2026-42169: Incorrect Calculation of Buffer Size

A heap-buffer-overflow vulnerability exists in the APNG Animated PNG file loader of GIMP. This flaw occurs when the fcTL width exceeds the IHDR width, leading to pixel data being written past the end of a heap allocation. Additionally, a heap-based buffer overflow exists in the DDS plug-in due to...