OPENSUSE-SU-2026:21644-1: libheif&distro=openSUSE Leap 16.0 openSUSE

Vulnerability summary

OPENSUSE-SU-2026:21644-1 is a vulnerability in libheif&distro=openSUSE Leap 16.0 openSUSE with no CVSS score yet.

Timeline

1. 25-08-2026
   PublishedVulnerability first disclosed.
2. 27-08-2026
   Last modifiedVulnerability information updated.

Description

Security update for libheif This update for libheif fixes the following issues: Update to version 1.23.1 (jsc#PED-16355). Security issues fixed: - CVE-2026-62289: integer underflow in Fraction constructor via double clap transform application (bsc#1273079). - CVE-2026-62291: heap out-of-bounds write in the uncompressed encoder when writing images with mismatched auxiliary alpha dimensions (bsc#1273080). - CVE-2026-62292: out-of-bounds read in uncompressed unci tile range slicing (bsc#1273081). - CVE-2026-62377: reachable assertion in `HeifContext::get_track()` aborts on a valid-but-empty HEIF sequence file (bsc#1273082). - Heap out-of-bounds write in the uncompressed encoder for RRGGBB images with interleaved bit-depth `<= 8` (bsc#1273083). Changes for libheif: - Version 1.23.1 + FFmpeg decoder plugin gains AV1, VVC, JPEG, and JPEG 2000/HTJ2K decoding. + SVT-AV1 encoder: new `tune=iq` and `ms-ssim` tune parameters. + C++ API: added getters/setters for the CLLI and MDCV HDR metadata boxes. + Sequence decoder now scales the alpha auxiliary track to the main image size. + Fixed pixi box writing for multi-channel images. + Corrected the placement of the TAI `clock_type` field into the top 2 bits. + Empty/unset plugin directory is no longer scanned.

No weakness data has been published for this record.