libheif: Wrapped icef compressed-unit range check causes out-of-bounds read in uncompressed HEIF decoder_CVE-2026-49271
libheif is a HEIF and AVIF file format decoder and encoder. Prior to version 1.22.1, the uncompressed HEIF decoder validates explicit icef compressed-unit offsets using unit_offset + unit_size. Because the addition can wrap, a crafted HEIF file can pass the range check and the...