CVE-2025-43967 Information

Description

libheif before 1.19.6 has a NULL pointer dereference in ImageItem_Grid::get_decoder in image-items/grid.cc because a grid image can reference a nonexistent image item.

Reference

https://github.com/strukturag/libheif/commit/6e35af7b0ff9fb6cc952a1539590d160db32f671 https://github.com/strukturag/libheif/compare/v1.19.5…v1.19.6 https://github.com/strukturag/libheif/issues/1455