CVE-2015-5276

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:gcc:*:*:*:*:*:*:*:*", "matchCriteriaId": "1C0FDB07-A56D-431F-A419-9F19EE9379FE", "versionEndExcluding": "4.9.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The std::random_device class in libstdc++ in the GNU Compiler Collection (aka GCC) before 4.9.4 does not properly handle short reads from blocking sources, which makes it easier for context-dependent attackers to predict the random values via unspecified vectors."}, {"lang": "es", "value": "La clase std::random_device en libstdc++ en el GNU Compiler Collection (tambi\u00e9n conocido como GCC) en versiones anteriores a 4.9.4 no maneja adecuadamente lecturas cortas desde fuentes bloqueadas, lo que hace mas f\u00e1cil para atacantes dependientes del contexto predecir los valores aleatorios a trav\u00e9s de vectores no especificados."}], "id": "CVE-2015-5276", "lastModified": "2026-06-17T00:28:48.117", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-11-17T15:59:04.357", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-updates/2015-11/msg00054.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-updates/2016-04/msg00052.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1034375"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1262846"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65142"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-updates/2015-11/msg00054.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-updates/2016-04/msg00052.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1034375"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1262846"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65142"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "gcc: Predictable randomness from std::random_device", "id": "1262846", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1262846"}, "csaw": false, "cvss": {"cvss_base_score": "3.3", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:P/I:P/A:N", "status": "draft"}, "cwe": "CWE-665->CWE-330", "details": ["The std::random_device class in libstdc++ in the GNU Compiler Collection (aka GCC) before 4.9.4 does not properly handle short reads from blocking sources, which makes it easier for context-dependent attackers to predict the random values via unspecified vectors."], "name": "CVE-2015-5276", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "gcc", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "gcc", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2015-02-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-5276\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-5276\nhttps://gcc.gnu.org/bugzilla/show_bug.cgi?id=65142"], "threat_severity": "Low"}

{}