CVE-2025-62821

CVE-2025-62821 affects Microsoft HEIF Image Extensions 1.2.22.0. The issue stems from CHEIFItemInfoEntry_GetDataSize potentially reporting 0 data size while returning success, causing a 1-byte allocation. Subsequently, CopyPixels may compute copy_size = stride * abs(roi_height) and perform a memm...

EUVD-2025-210287

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...