Summary
It was discovered that libheif incorrectly handled certain crafted HEIF
files. An attacker could possibly use this issue to cause a denial of
service or execute arbitrary code. (CVE-2026-47178)
It was discovered that libheif incorrectly validated offsets when
decoding certain crafted HEIF files. An attacker could possibly use this
issue to cause a denial of service. This issue only affected Ubuntu 26.04
LTS. (CVE-2026-49271)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 25.10 | libheif | 1.20.2-1ubuntu0.5 |
| Ubuntu · 26.04 LTS 26.04:LTS | libheif | 1.21.2-3ubuntu0.2 |