CVE-2025-62821

Microsoft HEIF Image Extensions 1.2.22.0 has an out-of-bounds read because CHEIFItemInfoEntryGetDataSize can return success while leaving the reported data size as 0. This causes a caller to make a 1-byte allocation. Later, CopyPixels computes copysize = stride absroiheight but does not check the...

CVE-2025-62821

CVE-2025-62821 affects Microsoft HEIF Image Extensions 1.2.22.0. The issue is an out-of-bounds read caused by CHEIFItemInfoEntry_GetDataSize returning success while reporting data size as 0, leading to a 1-byte allocation. Later, CopyPixels computes copy_size = stride * abs(roi_height) without va...