Debian/libheif: medium 6.1
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.
Action: Upgrade libheif to 1.23.1-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.23.1-1 | - |
Fixed versions
| 1.23.1-1 |
Sources
- osv: DEBIAN-CVE-2026-47254#Debian:14/libheif
- https://security-tracker.debian.org/tracker/CVE-2026-47254
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