Elhanan Haenel discovered that libheif incorrectly handled certain malformed HEIF sequence files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-32738) Elhanan Haenel discovered that libheif incorrectly handled certain malformed HEIF sequence files, leading to an infinite loop. An attacker could possibly use this issue to cause libheif to use excessive resources, resulting in a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-32739) Elhanan Haenel discovered that libheif incorrectly handled certain crafted HEIF/AVIF image files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-32740) It was discovered that libheif incorrectly handled certain crafted HEIF files containing mask images. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 24.04 LTS, Ubuntu 25.10, and Ubuntu 26.04 LTS. (CVE-2026-32741) It was discovered that libheif incorrectly handled certain crafted grid-based HEIF/AVIF files. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.10, and Ubuntu 26.04 LTS. (CVE-2026-32814) It was discovered that libheif incorrectly handled certain crafted HEIF files when compositing overlay images. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-32882) It was discovered that libheif incorrectly handled certain crafted files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-3950) It was discovered that libheif incorrectly handled certain malformed HEIF sequence files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-41069) It was discovered that libheif incorrectly handled certain crafted HEIF sequence files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-41071)
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