USN-8526-2: libheif vulnerabilities
Publication date
14 July 2026
Overview
Several security issues were fixed in libheif.
Releases
Packages
- libheif - An ISO/IEC 23008-12:2017 HEIF and AVIF file format decoder and encoder
Details
USN-8526-1 fixed vulnerabilities in libheif. This update provides the
corresponding updates for CVE-2026-47709 and CVE-2026-47714 in
Ubuntu 24.04 LTS.
Original advisory details:
Junyi Liu discovered that libheif had a null pointer dereference in its
image tiling interface. An attacker could possibly use this issue to
cause a denial of service. (CVE-2026-47709)
Calvin Young and Enoch Chow discovered that libheif had an integer
overflow in its inline mask size calculation. An attacker could
possibly use this issue to cause a denial of service or obtain sensitive
information. (CVE-2026-47714)
USN-8526-1 fixed vulnerabilities in libheif. This update provides the
corresponding updates for CVE-2026-47709 and CVE-2026-47714 in
Ubuntu 24.04 LTS.
Original advisory details:
Junyi Liu discovered that libheif had a null pointer dereference in its
image tiling interface. An attacker could possibly use this issue to
cause a denial of service. (CVE-2026-47709)
Calvin Young and Enoch Chow discovered that libheif had an integer
overflow in its inline mask size calculation. An attacker could
possibly use this issue to cause a denial of service or obtain sensitive
information. (CVE-2026-47714)
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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