Debian/libheif: medium 6.5
libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.3, the no-icef full-item branch of unc_decoder::get_compressed_image_data_uncompressed() in libheif/codecs/uncompress
Action: Upgrade libheif to 1.23.4-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.23.4-1~deb13u1 | - |
Fixed versions
| 1.23.4-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-84451#Debian:13/libheif
- https://security-tracker.debian.org/tracker/CVE-2026-84451
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