CVE-2011-2692

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{}

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correctamente fragmentos inv\u00e1lidos SCAL, que permiten a atacantes remotos causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria y ca\u00edda de aplicaci\u00f3n) o posiblemente tener un impacto no especificado a trav\u00e9s de una imagen PNG creada que provoca la lectura de la memoria sin inicializar."}], "id": "CVE-2011-2692", "lastModified": "2026-06-16T23:31:48.527", "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}], "cvssMetricV31": [{"cvssData": 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Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/819894"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Vendor Advisory"], "url": "http://www.libpng.org/pub/png/libpng.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:151"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/07/13/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.redhat.com/support/errata/RHSA-2011-1103.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.redhat.com/support/errata/RHSA-2011-1104.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.redhat.com/support/errata/RHSA-2011-1105.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/48618"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-1175-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=720612"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68536"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2011:1103", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "libpng-2:1.2.7-8.el4", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2011-07-28T00:00:00Z"}, {"advisory": "RHSA-2011:1103", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "libpng10-0:1.0.16-9.el4", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2011-07-28T00:00:00Z"}, {"advisory": "RHSA-2011:1104", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "libpng-2:1.2.10-7.1.el5_7.5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-07-28T00:00:00Z"}, {"advisory": "RHSA-2011:1105", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "libpng-2:1.2.46-1.el6_1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-07-28T00:00:00Z"}], "bugzilla": {"description": "libpng: Invalid read when handling empty sCAL chunks", "id": "720612", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=720612"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "details": ["The png_handle_sCAL function in pngrutil.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 does not properly handle invalid sCAL chunks, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via a crafted PNG image that triggers the reading of uninitialized memory."], "name": "CVE-2011-2692", "public_date": "2011-07-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2692\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2692"], "threat_severity": "Moderate"}

{}