漏洞类别：Ubuntu
漏洞等级： 
漏洞信息
A use-after-free was discovered in the V8 bindings in Blink.
A use-after-free was discovered in the V8 bindings in Blink.
An issue was discovered in V8.
Multiple security issues were discovered in Chromium.
A use-after-free was discovered in V8.
It was discovered that Chromium does not ensure the recipient of a certain IPC message is a valid RenderFrame or RenderWidget.
漏洞危害
If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5170)
If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5171)
If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to ontain sensitive information from arbitrary memory locations. (CVE-2016-5172)
If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to read uninitialized memory, cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5175, CVE-2016-5178)
If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5177)
An attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitary code. (CVE-2016-7549)
解决方案
Refer to Ubuntu advisory USN-3091-1 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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