漏洞类别：Ubuntu
漏洞等级： 
漏洞信息
It was discovered that OptiPNG incorrectly handled memory.
漏洞危害
A remote attacker could use this issue with a specially crafted image file to cause OptiPNG to crash, resulting in a denial of service, or possibly execute arbitrary code.
解决方案
Refer to Ubuntu advisory USN-3495-1 for affected packages and patching details, or update with your package manager.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
USN-3495-1: 16.04 (Xenial) on src (optipng)
USN-3495-1: 17.10 (artful) on src (optipng)
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