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USN-8810-1: ImageMagick vulnerabilities

It was discovered that ImageMagick did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service. This issue affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-33535) Kamil Frankowicz discovered that ImageMagick did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-33536) It was discovered that ImageMagick did not correctly handle certain integer arithmetic. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-34238) Jake Lamberson discovered that ImageMagick did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-40310) Junmin Zhu discovered that ImageMagick did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service. This issue affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-40311) It was discovered that ImageMagick did not correctly handle opening certain MSL files. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly cause a denial of service. This issue affected Ubuntu 26.04 LTS. (CVE-2026-40312) It was discovered that ImageMagick did not correctly handle certain memory operations. An attacker could possibly use this issue to execute arbitrary code. (CVE-2026-56361)

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