Ubuntu Security Notice 5956-1 - Dawid Golunski discovered that PHPMailer was not properly escaping user input data used as arguments to functions executed by the system shell. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 ESM. It was discovered that PHPMailer was not properly escaping characters in certain fields of the code_generator.php example code. An attacker could possibly use this issue to conduct cross-site scripting attacks. This issue was only fixed in Ubuntu 16.04 ESM and Ubuntu 18.04 ESM.
222714e4ee696b2603d69df38c77117f2e5b2027b932d6a069bca47f30bd053cUbuntu Security Notice 5956-2 - USN-5956-1 fixed vulnerabilities in PHPMailer. It was discovered that the fix for CVE-2017-11503 was incomplete. This update fixes the problem. Dawid Golunski discovered that PHPMailer was not properly escaping user input data used as arguments to functions executed by the system shell. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 ESM.
80b3365b80c510d9ed0f8f67ed3b629ab7b2e844952fb217a7a549d591be9150Ubuntu Security Notice 4505-1 - Elar Lang discovered that PHPMailer did not properly escape double quote characters in filenames. A remote attacker could possibly exploit this with a crafted filename to bypass attachment filters that are based on matching filename extensions.
b2d484281a33a4d7727e87e97f4ad0a528c3f167a6f30c779515d02b96bffeb5
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