CVE-2019-19847

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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:libspiro_project:libspiro:*:*:*:*:*:*:*:*", "matchCriteriaId": "A1535676-284B-419A-AAAF-C0433F730B51", "versionEndIncluding": "20190731", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Libspiro through 20190731 has a stack-based buffer overflow in the spiro_to_bpath0() function in spiro.c."}, {"lang": "es", "value": "Libspiro versiones hasta 20190731, tiene un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria en la funci\u00f3n spiro_to_bpath0() en el archivo spiro.c."}], "id": "CVE-2019-19847", "lastModified": "2026-06-17T02:27:20.667", "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": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-12-17T16:15:14.733", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/fontforge/libspiro/issues/21"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/fontforge/libspiro/issues/21"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "libspiro: stack-based off-by-one buffer overflow in spiro_to_bpath0() in spiro.c", "id": "1786740", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1786740"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-193", "details": ["Libspiro through 20190731 has a stack-based buffer overflow in the spiro_to_bpath0() function in spiro.c.", "An off-by-one vulnerability was found in libspiro in the way a double array is first declared in a unit test and then accessed by the library itself. Applications that make use of libspiro in the same way as the example code in the test suite may be vulnerable to this flaw. A remote attacker could abuse this flaw to make the application crash or potentially execute arbitrary code."], "name": "CVE-2019-19847", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libspiro", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libspiro", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libspiro", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2019-12-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-19847\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-19847"], "statement": "This issue did not affect the versions of libspiro as shipped with Red Hat Enterprise Linux 6, 7, and 8 as they did not include the vulnerable code. The vulnerable function was introduced in a newer version of the package.", "threat_severity": "Moderate"}

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