CVE-2016-5271

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-09-20T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a \"display: contents\" Cascading Style Sheets (CSS) property."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-07-29T09:57:01.000Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://www.mozilla.org/security/announce/2016/mfsa2016-85.html"}, {"name": "93052", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/93052"}, {"name": "GLSA-201701-15", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201701-15"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1288946"}, {"name": "1036852", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1036852"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@mozilla.org", "ID": "CVE-2016-5271", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a \"display: contents\" Cascading Style Sheets (CSS) property."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://www.mozilla.org/security/announce/2016/mfsa2016-85.html", "refsource": "CONFIRM", "url": "http://www.mozilla.org/security/announce/2016/mfsa2016-85.html"}, {"name": "93052", "refsource": "BID", "url": "http://www.securityfocus.com/bid/93052"}, {"name": "GLSA-201701-15", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201701-15"}, {"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1288946", "refsource": "CONFIRM", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1288946"}, {"name": "1036852", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1036852"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T00:53:48.942Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.mozilla.org/security/announce/2016/mfsa2016-85.html"}, {"name": "93052", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/93052"}, {"name": "GLSA-201701-15", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201701-15"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1288946"}, {"name": "1036852", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1036852"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2016-5271", "datePublished": "2016-09-22T22:00:00.000Z", "dateReserved": "2016-06-03T00:00:00.000Z", "dateUpdated": "2024-08-06T00:53:48.942Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "C56407AD-F303-4E6E-A64E-4AFA23BFB739", "versionEndIncluding": "48.0.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a \"display: contents\" Cascading Style Sheets (CSS) property."}, {"lang": "es", "value": "La funci\u00f3n PropertyProvider::GetSpacingInternal en Mozilla Firefox en versiones anteriores a 49.0 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (lectura fuera de l\u00edmites y ca\u00edda de aplicaci\u00f3n) a trav\u00e9s de carreras de texto en conjunci\u00f3n con una propiedad \"mostrar: contenidos\" Cascading Style Sheets (CSS)."}], "id": "CVE-2016-5271", "lastModified": "2026-06-17T00:49:05.597", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-09-22T22:59:04.770", "references": [{"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "http://www.mozilla.org/security/announce/2016/mfsa2016-85.html"}, {"source": "security@mozilla.org", "url": "http://www.securityfocus.com/bid/93052"}, {"source": "security@mozilla.org", "url": "http://www.securitytracker.com/id/1036852"}, {"source": "security@mozilla.org", "tags": ["Issue Tracking"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1288946"}, {"source": "security@mozilla.org", "url": "https://security.gentoo.org/glsa/201701-15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.mozilla.org/security/announce/2016/mfsa2016-85.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/93052"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1036852"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1288946"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201701-15"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Abhishek Arya as the original reporter.", "bugzilla": {"description": "Mozilla: Out-of-bounds read in PropertyProvider::GetSpacingInternal (MFSA 2016-85)", "id": "1377661", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1377661"}, "csaw": false, "cvss": {"cvss_base_score": "5.1", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "status": "draft"}, "cvss3": {"cvss3_base_score": "5.6", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "details": ["The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a \"display: contents\" Cascading Style Sheets (CSS) property."], "name": "CVE-2016-5271", "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:5", "fix_state": "Not affected", "package_name": "thunderbird", "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:6", "fix_state": "Not affected", "package_name": "thunderbird", "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:7", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2016-09-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-5271\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-5271\nhttps://www.mozilla.org/security/announce/2016/mfsa2016-85.html"], "threat_severity": "Low"}

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