漏洞类别：Ubuntu
漏洞等级： 
漏洞信息
It was discovered that Exim incorrectly handled memory in the ESMTP CHUNKING extension.
漏洞危害
A remote attacker could use this issue to cause Exim to crash, resulting in a denial of service, or possibly execute arbitrary code. The default compiler options for affected releases should reduce the vulnerability to a denial of service.
解决方案
Refer to Ubuntu advisory USN-3493-1 for affected packages and patching details, or update with your package manager.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
USN-3493-1: 17.04 (zesty) on src (exim4-daemon-heavy)
USN-3493-1: 17.10 (artful) on src (exim4-daemon-heavy)
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