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CVE-2017-7804

The destructor function for the "WindowsDllDetourPatcher" class can be re-purposed by malicious code in concert with another vulnerability…

High7.5EPSS 1.5%
Published
Updated
Reserved
Assigned by
mozilla

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.

Scores

CVSS scores of CVE-2017-7804, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS (exploitation in 30 days)
1.5% · top 26% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

  • Mozilla · Thunderbird

    • affected unspecified – < 52.3

  • Mozilla · Firefox ESR

    • affected unspecified – < 52.3

  • Mozilla · Firefox

    • affected unspecified – < 55

References (6)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .