This update for libheif fixes the following issues:
Update to version 1.23.1 (jsc#PED-16355).
Security issues fixed:
HeifContext::get_track() aborts on a valid-but-empty HEIF sequence file
(bsc#1273082).<= 8
(bsc#1273083).Changes for libheif:
tune=iq and ms-ssim tune parameters.clock_type field into the top 2 bits.