It was discovered that Jhead did not properly handle certain crafted images while processing the JFIF markers. An attacker could cause Jhead to crash. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 18.04 LTS. (CVE-2019-19035) It was discovered that Jhead did not properly handle certain crafted images while processing longitude tags. An attacker could cause Jhead to crash. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-1010301) It was discovered that Jhead did not properly handle certain crafted images while processing IPTC data. An attacker could cause Jhead to crash. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-1010302) Binbin Li discovered that Jhead did not properly handle certain crafted images while processing the DQT data. An attacker could cause Jhead to crash. (CVE-2020-6624) Binbin Li discovered that Jhead did not properly handle certain crafted images while processing longitude data. An attacker could cause Jhead to crash. (CVE-2020-6625) Feng Zhao Yang discovered that Jhead did not properly handle certain crafted images while reading JPEG sections. An attacker could cause Jhead to crash. (CVE-2020-26208) It was discovered that Jhead did not properly handle certain crafted images while processing Canon images. An attacker could cause Jhead to crash. (CVE-2021-28276) It was discovered that Jhead did not properly handle certain crafted images when removing a certain type of sections. An attacker could cause Jhead to crash. (CVE-2021-28278)
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