CVE-2021-43519

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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:lua:lua:*:*:*:*:*:*:*:*", "matchCriteriaId": "C02CCAFE-B2AD-4E44-B3E1-770780E8B056", "versionEndExcluding": "5.3.5", "versionStartIncluding": "5.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*", "matchCriteriaId": "6722715C-7599-4D4C-A636-8A9A9F7F4619", "versionEndExcluding": "5.4.4", "versionStartIncluding": "5.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4 allows attackers to perform a Denial of Service via a crafted script file."}, {"lang": "es", "value": "UN desbordamiento de pila en la funci\u00f3n lua_resume del archivo ldo.c en Lua Interpreter versiones 5.1.0~5.4.4, permite a atacantes llevar a cabo una Denegaci\u00f3n de Servicio por medio de un archivo de script dise\u00f1ado"}], "id": "CVE-2021-43519", "lastModified": "2026-06-17T04:11:03.673", "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": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-09T13:15:08.500", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-10/msg00123.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-11/msg00015.html"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C7XHFYHGSZKL53VCLSJSAJ6VMFGAIXKO/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-10/msg00123.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://lua-users.org/lists/lua-l/2021-11/msg00015.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C7XHFYHGSZKL53VCLSJSAJ6VMFGAIXKO/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-674"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:0957", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "lua-0:5.4.4-2.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-02-28T00:00:00Z"}, {"advisory": "RHSA-2023:0957", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "lua-0:5.4.4-2.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-02-28T00:00:00Z"}, {"advisory": "RHSA-2023:1211", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "lua-0:5.4.4-1.el9_0.1", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-03-14T00:00:00Z"}], "bugzilla": {"description": "lua: stack overflow in lua_resume of ldo.c allows a DoS via a crafted script file", "id": "2047672", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2047672"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-787", "details": ["Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4 allows attackers to perform a Denial of Service via a crafted script file.", "A stack overflow issue was discovered in Lua in the lua_resume() function of 'ldo.c'. This flaw allows a local attacker to pass a specially crafted file to the Lua Interpreter, causing a crash that leads to a denial of service."], "name": "CVE-2021-43519", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "lua", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "lua", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libreoffice:flatpak/lua", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat JBoss Core Services"}], "public_date": "2021-11-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-43519\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-43519"], "statement": "This vulnerability does not affect Red Hat Enterprise Linux 8, because code-base was completely rewritten between 5.3 and 5.4. So, RHEL-8 is unlikely to be affected by this or a similar issue.\nThis flaw is marked as Out-of-Support-Scope for Red Hat Enterprise Linux 6 and 7 because the flaw impact is moderate. For additional information, refer to the Red Hat Enterprise Linux Life Cycle & Update Policy: https://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Moderate"}

{}