Ubuntu Security Update USN-7757-1: OpenJPEG vulnerabilities

[LinuxBot]

It was discovered that OpenJPEG did not properly handle memory when decompressing certain image files. An attacker could possibly use this issue to cause OpenJPEG to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2025-50952) It was discovered that OpenJPEG did not properly handle memory when parsing the headers of certain image files. An attacker could use this issue to cause OpenJPEG to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 25.04. (CVE-2025-54874)

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