CVE-2016-5296

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{"affected": [{"affectedData": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "45.5", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "45.5", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "50", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "ABDDBA29-3288-477C-8B9F-C0B918ED91D8", "versionEndExcluding": "45.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "88065D51-EEA3-4850-9977-CCD9DAA1505A", "versionEndExcluding": "50.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "7EC41BDE-FAA6-450A-AA52-9BD8CA797882", "versionEndExcluding": "45.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50."}, {"lang": "es", "value": "Un desbordamiento de b\u00fafer basado en memoria din\u00e1mica (heap) en Cairo al procesar contenido SVG generado por la optimizaci\u00f3n del compilador resulta en un cierre inesperado potencialmente explotable. La vulnerabilidad afecta a Thunderbird en versiones anteriores a la 45.5, Firefox ESR en versiones anteriores a la 45.5 y Firefox en versiones anteriores a la 50."}], "id": "CVE-2016-5296", "lastModified": "2026-06-17T00:49:09.800", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-06-11T21:29:00.687", "references": [{"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2780.html"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/94339"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037298"}, {"source": "security@mozilla.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1292443"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201701-15"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2016/dsa-3730"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-89/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-90/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-93/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-2780.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/94339"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037298"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1292443"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201701-15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2016/dsa-3730"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-89/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-90/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2016-93/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "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.", "affected_release": [{"advisory": "RHSA-2016:2780", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "firefox-0:45.5.0-1.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2016-11-16T00:00:00Z"}, {"advisory": "RHSA-2016:2780", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:45.5.0-1.el6_8", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-11-16T00:00:00Z"}, {"advisory": "RHSA-2016:2780", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:45.5.0-1.el7_3", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-11-16T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Heap-buffer-overflow WRITE in rasterize_edges_1 (MFSA 2016-89, MFSA 2016-90)", "id": "1395055", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1395055"}, "csaw": false, "cvss": {"cvss_base_score": "6.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "status": "verified"}, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "verified"}, "details": ["A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50."], "name": "CVE-2016-5296", "package_state": [{"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": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2016-11-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-5296\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-5296\nhttps://www.mozilla.org/security/announce/2016/mfsa2016-89.html"], "threat_severity": "Critical"}

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