CVE-2020-6826

{"containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "75", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Mozilla developers Tyson Smith, Bob Clary, and Alexandru Michis reported memory safety bugs present in Firefox 74. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 75."}], "problemTypes": [{"descriptions": [{"description": "Memory safety bugs fixed in Firefox 75", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-04-24T15:51:43.000Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-12/"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1613009%2C1613195%2C1616734%2C1617488%2C1619229%2C1620719%2C1624897"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@mozilla.org", "ID": "CVE-2020-6826", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Firefox", "version": {"version_data": [{"version_affected": "<", "version_value": "75"}]}}]}, "vendor_name": "Mozilla"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Mozilla developers Tyson Smith, Bob Clary, and Alexandru Michis reported memory safety bugs present in Firefox 74. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 75."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Memory safety bugs fixed in Firefox 75"}]}]}, "references": {"reference_data": [{"name": "https://www.mozilla.org/security/advisories/mfsa2020-12/", "refsource": "MISC", "url": "https://www.mozilla.org/security/advisories/mfsa2020-12/"}, {"name": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1613009%2C1613195%2C1616734%2C1617488%2C1619229%2C1620719%2C1624897", "refsource": "MISC", "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1613009%2C1613195%2C1616734%2C1617488%2C1619229%2C1620719%2C1624897"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:11:05.117Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-12/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1613009%2C1613195%2C1616734%2C1617488%2C1619229%2C1620719%2C1624897"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2020-6826", "datePublished": "2020-04-24T15:51:43.000Z", "dateReserved": "2020-01-10T00:00:00.000Z", "dateUpdated": "2024-08-04T09:11:05.117Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "75", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "925D894A-1609-43FB-94FE-84B3EAB9CE72", "versionEndExcluding": "75.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Mozilla developers Tyson Smith, Bob Clary, and Alexandru Michis reported memory safety bugs present in Firefox 74. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 75."}, {"lang": "es", "value": "Los desarrolladores de Mozilla, Tyson Smith, Bob Clary y Alexandru Michis reportaron bugs de seguridad de la memoria presentes en Firefox versi\u00f3n 74. Algunos de estos bugs mostraron evidencia de corrupci\u00f3n de memoria y presumimos que con suficiente esfuerzo algunos de estos podr\u00edan haber sido explotados para ejecutar c\u00f3digo arbitrario. Esta vulnerabilidad afecta a Firefox versiones anteriores a 75."}], "id": "CVE-2020-6826", "lastModified": "2026-06-17T03:23:52.680", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-04-24T16:15:13.790", "references": [{"source": "security@mozilla.org", "tags": ["Issue Tracking", "Permissions Required"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1613009%2C1613195%2C1616734%2C1617488%2C1619229%2C1620719%2C1624897"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-12/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Permissions Required"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1613009%2C1613195%2C1616734%2C1617488%2C1619229%2C1620719%2C1624897"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-12/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "Mozilla: Memory safety bugs fixed in Firefox 75", "id": "1821696", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1821696"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-119", "details": ["Mozilla developers Tyson Smith, Bob Clary, and Alexandru Michis reported memory safety bugs present in Firefox 74. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 75."], "name": "CVE-2020-6826", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2020-04-10T12:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-6826\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-6826"], "threat_severity": "Important"}

{}