--- stb_image.h.orig	2026-02-21 14:14:41 UTC
+++ stb_image.h
@@ -1448,7 +1448,7 @@ STBIDEF stbi_uc *stbi_load_gif_from_memory(stbi_uc con
    stbi__start_mem(&s,buffer,len);
 
    result = (unsigned char*) stbi__load_gif_main(&s, delays, x, y, z, comp, req_comp);
-   if (stbi__vertically_flip_on_load) {
+   if (stbi__vertically_flip_on_load && result) {
       int channels = req_comp ? req_comp : *comp;
       stbi__vertical_flip_slices( result, *x, *y, *z, channels );
    }