It was discovered that libheif incorrectly handled certain image data. An attacker could possibly use this issue to crash the program, resulting in a denial of service. (CVE-2019-11471) Reza Mirzazade Farkhani discovered that libheif incorrectly handled certain image data. An attacker could possibly use this issue to crash the program, resulting in a denial of service. (CVE-2020-23109) Eugene Lim discovered that libheif incorrectly handled certain image data. An attacker could possibly use this issue to crash the program, resulting in a denial of service. (CVE-2023-0996) Min Jang discovered that libheif incorrectly handled certain image data. An attacker could possibly use this issue to crash the program, resulting in a denial of service. (CVE-2023-29659) Yuchuan Meng discovered that libheif incorrectly handled certain image data. An attacker could possibly use this issue to crash the program, resulting in a denial of service. (CVE-2023-49460, CVE-2023-49462, CVE-2023-49463, CVE-2023-49464)