Ubuntu Security Notice 5454-1 - Joshua Mason discovered that CUPS incorrectly handled the secret key used to access the administrative web interface. A remote attacker could possibly use this issue to open a session as an administrator and execute arbitrary code. It was discovered that CUPS incorrectly handled certain memory operations when handling IPP printing. A remote attacker could possibly use this issue to cause CUPS to crash, leading to a denial of service, or obtain sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
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