CVE-2016-5259

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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": "1456CC69-6E37-4C75-8D9A-172ED8A571EB", "versionEndIncluding": "47.0.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox:45.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "4123CC23-4443-4B13-A064-04B0B04354FE", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox:45.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "1E084D09-97BE-43E1-94D1-05206E513B99", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox:45.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "915E92FE-8049-4EA5-95B8-F3EA25F78546", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox:45.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "CA9E7A47-5E77-4736-920A-93283E30DC7C", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:oracle:linux:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "E3CCD459-9E6D-4731-8054-CDF8B58454A9", "vulnerable": true}, {"criteria": "cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*", "matchCriteriaId": "CC7A498A-A669-4C42-8134-86103C799D13", "vulnerable": true}, {"criteria": "cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*", "matchCriteriaId": "104DA87B-DEE4-4262-AE50-8E6BC43B228B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via a script that closes its own Service Worker within a nested sync event loop."}, {"lang": "es", "value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n de memoria en la funci\u00f3n CanonicalizeXPCOMParticipant en Mozilla Firefox en versiones anteriores a 48.0 y Firefox ESR 45.x en versiones anteriores a 45.3 permite a atacantes remotos ejecutar c\u00f3digo arbitrario a trav\u00e9s de una secuencia de comandos que cierra su propio Service Worker dentro de un bloque de eventos sync anidados."}], "id": "CVE-2016-5259", "lastModified": "2026-06-17T00:49:04.210", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-08-05T01:59:15.097", "references": [{"source": "security@mozilla.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html"}, {"source": "security@mozilla.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html"}, {"source": "security@mozilla.org", "url": "http://rhn.redhat.com/errata/RHSA-2016-1551.html"}, {"source": "security@mozilla.org", "url": "http://www.debian.org/security/2016/dsa-3640"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "http://www.mozilla.org/security/announce/2016/mfsa2016-73.html"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html"}, {"source": "security@mozilla.org", "url": "http://www.securityfocus.com/bid/92258"}, {"source": "security@mozilla.org", "url": "http://www.securitytracker.com/id/1036508"}, {"source": "security@mozilla.org", "url": "http://www.ubuntu.com/usn/USN-3044-1"}, {"source": "security@mozilla.org", "tags": ["Exploit", "Issue Tracking"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1282992"}, {"source": "security@mozilla.org", "url": "https://security.gentoo.org/glsa/201701-15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": 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"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-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Looben Yang as the original reporter.", "affected_release": [{"advisory": "RHSA-2016:1551", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "firefox-0:45.3.0-1.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2016-08-03T00:00:00Z"}, {"advisory": "RHSA-2016:1551", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:45.3.0-1.el6_8", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-08-03T00:00:00Z"}, {"advisory": "RHSA-2016:1551", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:45.3.0-1.el7_2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-08-03T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Use-after-free in service workers with nested sync events (MFSA 2016-73)", "id": "1361984", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1361984"}, "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": "8.8", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "details": ["Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via a script that closes its own Service Worker within a nested sync event loop."], "name": "CVE-2016-5259", "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": "2016-08-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-5259\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-5259\nhttps://www.mozilla.org/security/announce/2016/mfsa2016-73.html"], "threat_severity": "Critical"}

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