7.5
High
CVE-2026-84447 libheif is a HEIF and AVIF file format decoder and encoder
Description
libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.1 and earlier, crafted grid, iovl, and iden reference graphs can repeatedly decode the same base image because processed_ids is copied per branch and ImageItem::decode_image() has no shared operation budget. This vulnerability is fixed in 1.23.2.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| libheif 1.23 | earliest → < 1.23.2 | 1.23.2 |
Other CVEs of libheif
The 34 CVEs of libheif →
CVE-2026-120208
libheif 1.18.0 before 1.23.3 contains a heap-based buffer overflow vulnerability in…
7.7
High
CVE-2026-84450
libheif is a HEIF and AVIF file format decoder and encoder
4.3
Medium
CVE-2026-84449
libheif is a HEIF and AVIF file format decoder and encoder
3.7
Low
CVE-2026-84451
libheif is a HEIF and AVIF file format decoder and encoder
6.5
Medium