CVE-2017-7804

mediumpriority · track · 31EPSS 0.015 · 73 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.46% (73rd) EPSS

CVSS 5 · medium

Is it mine?

50 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20US

affected products (50)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Mozilla Firefox <55all versionscert_bundDE
Mozilla Firefox ESR <52.3all versionscert_bundDE
Open Source CentOSall versionscert_bundDEcpe:/o:centos:centos:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Xerox FreeFlow Print Server 9all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:9
Mozilla Firefox< 55cert_bundDE
Mozilla Firefox ESR< 52.3cert_bundDE
Mozilla Firefoxunspecified → 55enisa_euvdEU
Mozilla Firefox ESRunspecified → 52.3enisa_euvdEU
Mozilla Thunderbirdunspecified → 52.3enisa_euvdEU
Mozilla Corp. Firefox≤ 55fstec_bduRU
Mozilla Corp. Firefox ESR≤ 52.3fstec_bduRU
Mozilla Corp. Thunderbird≤ 52.3fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 42.2fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.0fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 42.3fstec_bduRU

showing 20 of 50

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1211Mozilla Firefox: Mehrere SchwachstellenDeutsch2017-08-08csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox ESR und Mozilla Firefox ausnutzen, um Benutzer zu täuschen, Sicherheitsvorkehrungen zu umgehen, Informationen offenzulegen, beliebigen Programmcode mit den Rechten des Angegriffenen auszuführen und einen Denial of Service Zustand herbeizuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2018-06-11modified 2026-06-17

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references (18)

External citations — patches, advisories, analysis.

scry

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