How severe is CVE-2017-7804?

This vulnerability has a severity rating of HIGH with a CVSS score of 7.5 out of 10.

What type of vulnerability is CVE-2017-7804?

This is classified as CWE-20, which is a common weakness in software security.

CVE-2017-7804

HIGH Year: 2017

CVSS v3 Score

7.5

High

CVSS v2 Score

5.0

Medium

Weakness Type

CWE-20

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Vulnerability Description

The destructor function for the "WindowsDllDetourPatcher" class can be re-purposed by malicious code in concert with another vulnerability to write arbitrary data to an attacker controlled location in memory. This can be used to bypass existing memory protections in this situation. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

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