CVE-2019-20633

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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:gnu:patch:*:*:*:*:*:*:*:*", "matchCriteriaId": "0324E14E-0A19-4B70-B316-19577201C5D8", "versionEndIncluding": "2.7.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952."}, {"lang": "es", "value": "El parche de GNU versiones hasta 2.7.6, contiene una vulnerabilidad de Doble Liberaci\u00f3n en free(p_line [p_end]) en la funci\u00f3n another_hunk en el archivo pch.c, que puede causar una denegaci\u00f3n de servicio por medio de un archivo de parche dise\u00f1ado. NOTA: este problema se presenta debido a una correcci\u00f3n incompleta para CVE-2018-6952."}], "id": "CVE-2019-20633", "lastModified": "2026-06-17T02:30:50.590", "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": "2020-03-25T17:15:14.013", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Vendor Advisory"], "url": "https://savannah.gnu.org/bugs/index.php?56683"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Vendor Advisory"], "url": "https://savannah.gnu.org/bugs/index.php?56683"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "patch: double free in another_hunk function in pch.c", "id": "1818934", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1818934"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-416", "details": ["GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952."], "name": "CVE-2019-20633", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "patch", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "patch", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "patch", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "patch", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2019-07-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-20633\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-20633"], "statement": "This vulnerability was rated as LOW severity because it causes the application to crash, it doesn\u2019t compromise system security, it can disrupt the application's normal function.", "threat_severity": "Low"}

{}