漏洞类别：Ubuntu
漏洞等级： 
漏洞信息
It was discovered that Dovecot incorrectly handled some usernames.
漏洞危害
An attacker could possibly use this issue to cause Dovecot to hang or crash, resulting in a denial of service.
解决方案
Refer to Ubuntu advisory USN-3258-1 for affected packages and patching details, or update with your package manager.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
0day
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