Debian/libheif: medium 4
libheif is a HEIF and AVIF file format decoder and encoder. Prior to 1.23.2, the public heif_region_item_add_region_inline_mask_data() function in libheif/api/libheif/heif_regions.cc accepts mask_data
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-2026-84448#Debian:13/libheif
- https://security-tracker.debian.org/tracker/CVE-2026-84448
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