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libheif is a HEIF and AVIF file format decoder and encoder. Prior to version 1.22.0, `Track::init_sample_timing_table()` in `libheif/sequences/track.cc` stores an out-of-bounds chunk index (`m_chunks.size()`) into `m_presentation_timeline` when the number of chunks defined in the `stco` box is less than the number of samples in `stsz`. A subsequent call to `heif_track_get_next_raw_sequence_sample()` reads `m_chunks[chunk_idx]` with that OOB index, causing a heap-buffer-overflow. Version 1.22.0 fixes the issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade libheif-examplesUpgrade libheif-plugin-libde265Upgrade libheif-plugin-rav1eUpgrade heif-gdk-pixbufUpgrade libheif-plugin-aomencUpgrade libheif-plugins-allUpgrade libheif-plugin-dav1dUpgrade heif-thumbnailerUpgrade libheif-plugin-ffmpegdecUpgrade libheif-devUpgrade heif-viewUpgrade libheif-plugin-kvazaarUpgrade libheif1Upgrade libheif-plugin-svtencUpgrade libheif-plugin-jpegencUpgrade libheif-plugin-j2kencUpgrade libheif-plugin-aomdecUpgrade libheif-plugin-x265Upgrade libheif-plugin-jpegdecUpgrade libheif-plugin-j2kdec | Jul 12, 2026 | Jul 9, 2026 |
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