CVE-2015-4484

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"cveTags": [], "descriptions": [{"lang": "en", "value": "The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to cause a denial of service (application crash) by leveraging the use of shared memory and accessing (1) an Atomics object or (2) a SharedArrayBuffer object."}, {"lang": "es", "value": "Vulnerabilidad en la funci\u00f3n js::jit::AssemblerX86Shared::lock_addl en la implementaci\u00f3n de JavaScript en Mozilla Firefox en versiones anteriores a 40.0 y Firefox ESR 38.x en versiones anteriores a 38.2, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda de aplicaci\u00f3n) mediante del aprovechamiento del uso memoria compartida y el acceso (1) a un objeto Atomics o (2) a un objeto SharedArrayBuffer."}], "id": "CVE-2015-4484", "lastModified": "2026-06-17T00:27:22.343", "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}]}, "published": "2015-08-16T01:59:12.050", "references": [{"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html"}, {"source": "security@mozilla.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html"}, {"source": 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{"acknowledgement": "Red Hat would like to thank Mozilla project for reporting this issue. Upstream acknowledges Jukka Jyl\u00e4nki as the original reporter.", "affected_release": [{"advisory": "RHSA-2015:1586", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "firefox-0:38.2.0-4.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2015-08-11T00:00:00Z"}, {"advisory": "RHSA-2015:1586", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:38.2.0-4.el6_7", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2015-08-11T00:00:00Z"}, {"advisory": "RHSA-2015:1586", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:38.2.0-4.el7_1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-08-11T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Crash when using shared memory in JavaScript (MFSA 2015-87)", "id": "1252289", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1252289"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "status": "verified"}, "details": ["The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to cause a denial of service (application crash) by leveraging the use of shared memory and accessing (1) an Atomics object or (2) a SharedArrayBuffer object."], "name": "CVE-2015-4484", "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": "2015-08-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-4484\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-4484\nhttps://www.mozilla.org/security/announce/2015/mfsa2015-87.html"], "threat_severity": "Moderate"}

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