{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/212841?format=json","vulnerability_id":"VCID-2pqp-k5qy-xke8","summary":"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.","aliases":[{"alias":"CVE-2017-7804"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/40571?format=json","purl":"pkg:deb/debian/firefox@0?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@0%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/40570?format=json","purl":"pkg:deb/debian/firefox@151.0.4-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@151.0.4-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/41799?format=json","purl":"pkg:deb/debian/firefox-esr@0?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox-esr@0%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/41784?format=json","purl":"pkg:deb/debian/firefox-esr@115.14.0esr-1~deb11u1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox-esr@115.14.0esr-1~deb11u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/41782?format=json","purl":"pkg:deb/debian/firefox-esr@140.10.2esr-1~deb12u1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-zj6v-hmj8-syfy"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox-esr@140.10.2esr-1~deb12u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/41786?format=json","purl":"pkg:deb/debian/firefox-esr@140.10.2esr-1~deb13u1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-zj6v-hmj8-syfy"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox-esr@140.10.2esr-1~deb13u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/41785?format=json","purl":"pkg:deb/debian/firefox-esr@140.11.0esr-1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-zj6v-hmj8-syfy"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox-esr@140.11.0esr-1%3Fdistro=trixie"}],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2017-7804","reference_id":"","reference_type":"","scores":[{"value":"0.00689","scoring_system":"epss","scoring_elements":"0.72335","published_at":"2026-06-12T12:55:00Z"},{"value":"0.00689","scoring_system":"epss","scoring_elements":"0.72342","published_at":"2026-06-14T12:55:00Z"},{"value":"0.00689","scoring_system":"epss","scoring_elements":"0.72348","published_at":"2026-06-13T12:55:00Z"},{"value":"0.00689","scoring_system":"epss","scoring_elements":"0.72252","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2017-7804"},{"reference_url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-18","reference_id":"mfsa2017-18","reference_type":"","scores":[{"value":"critical","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-18"},{"reference_url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-19","reference_id":"mfsa2017-19","reference_type":"","scores":[{"value":"critical","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-19"},{"reference_url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-20","reference_id":"mfsa2017-20","reference_type":"","scores":[{"value":"critical","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2017-20"}],"weaknesses":[],"exploits":[],"severity_range_score":"9.0 - 10.0","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-2pqp-k5qy-xke8"}