CVE-2019-18281

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{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*", "matchCriteriaId": "FD861631-0CDD-4E71-A7CC-7860E4E7FF04", "versionEndIncluding": "5.11.3", "versionStartIncluding": "5.11.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*", "matchCriteriaId": "E5FC79C2-1DE1-4883-BED2-4BAE9EC35642", "versionEndExcluding": "5.12.5", "versionStartIncluding": "5.12.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds memory access in the generateDirectionalRuns() function in qtextengine.cpp in Qt qtbase 5.11.x and 5.12.x before 5.12.5 allows attackers to cause a denial of service by crashing an application via a text file containing many directional characters."}, {"lang": "es", "value": "Un acceso a memoria fuera de l\u00edmites en la funci\u00f3n generateDirectionalRuns() en el archivo qtextengine.cpp en Qt qtbase versiones 5.11.x y versiones 5.12.x anteriores a 5.12.5, permite a atacantes causar una denegaci\u00f3n de servicio al bloquear una aplicaci\u00f3n por medio de un archivo de texto que contiene muchos caracteres direccionales."}], "id": "CVE-2019-18281", "lastModified": "2026-06-17T02:24:45.027", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-10-23T15:15:14.343", "references": [{"source": "cve@mitre.org", "tags": ["Permissions Required"], "url": "https://bugreports.qt.io/browse/QTBUG-77819"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://codereview.qt-project.org/c/qt/qtbase/+/271889"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Nov/4"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/202003-60"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4275-1/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4556"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required"], "url": "https://bugreports.qt.io/browse/QTBUG-77819"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1848784"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://codereview.qt-project.org/c/qt/qtbase/+/271889"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Nov/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202003-60"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4275-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4556"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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"https://bugzilla.redhat.com/show_bug.cgi?id=1764742"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-119", "details": ["An out-of-bounds memory access in the generateDirectionalRuns() function in qtextengine.cpp in Qt qtbase 5.11.x and 5.12.x before 5.12.5 allows attackers to cause a denial of service by crashing an application via a text file containing many directional characters."], "name": "CVE-2019-18281", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qt5-qtbase", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2019-10-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-18281\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-18281"], "statement": "Red Hat Enterprise Linux 7 is not affected by this issue as qt5-base version as shipped with it doesn't have the code which contains the bug.", "threat_severity": "Low"}

{}