Packages
- libheif - An ISO/IEC 23008-12:2017 HEIF and AVIF file format decoder and encoder
Details
Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain
compressed metadata. A remote attacker could possibly use this issue to
cause a denial of service. This issue only affected Ubuntu 24.04 LTS and
Ubuntu 26.04 LTS. (CVE-2026-84384)
Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain
HEIF sequence data. A remote attacker could possibly use this issue to
cause a denial of service. This issue only affected Ubuntu 26.04 LTS.
(CVE-2026-84446)
Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain
image references. A remote attacker could possibly use this issue to
cause a denial of service. This issue only affected Ubuntu 26.04 LTS.
(CVE-2026-84447)
It was discovered that libheif incorrectly handled certain region masks.
A local attacker could...
Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain
compressed metadata. A remote attacker could possibly use this issue to
cause a denial of service. This issue only affected Ubuntu 24.04 LTS and
Ubuntu 26.04 LTS. (CVE-2026-84384)
Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain
HEIF sequence data. A remote attacker could possibly use this issue to
cause a denial of service. This issue only affected Ubuntu 26.04 LTS.
(CVE-2026-84446)
Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain
image references. A remote attacker could possibly use this issue to
cause a denial of service. This issue only affected Ubuntu 26.04 LTS.
(CVE-2026-84447)
It was discovered that libheif incorrectly handled certain region masks.
A local attacker could possibly use this issue to obtain sensitive
information or cause a denial of service. This issue only affected Ubuntu
24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-84448)
It was discovered that libheif incorrectly handled certain images. A
remote attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,
Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-84449)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
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