CVE-2026-14740

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{"affected": [{"affectedData": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "DBI", "product": "DBI", "programFiles": ["DBI.xs"], "programRoutines": [{"name": "preparse"}], "repo": "https://github.com/perl5-dbi/dbi", "vendor": "HMBRAND", "versions": [{"lessThan": "1.650", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:perl:dbi:*:*:*:*:*:*:*:*", "matchCriteriaId": "3B8C837F-7D3B-4D47-B604-6927920CDF73", "versionEndExcluding": "1.650", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "DBI versions before 1.650 for Perl read one byte out-of-bounds in preparse when deleting an initial SQL comment.\n\nThe preparse method normalises SQL and removes comments. When the SQL starts with a comment line, the deletion of that line during normalisation led to an out-of-bounds read by one byte. The result is a fault on memory-hardened builds and nondeterministic newline retention on normal builds."}, {"lang": "es", "value": "Las versiones de DBI anteriores a la 1.650 para Perl leen un byte fuera de los l\u00edmites en preparse al eliminar un comentario SQL inicial.\n\nEl m\u00e9todo preparse normaliza SQL y elimina comentarios. Cuando el SQL comienza con una l\u00ednea de comentario, la eliminaci\u00f3n de esa l\u00ednea durante la normalizaci\u00f3n provoc\u00f3 una lectura fuera de los l\u00edmites por un byte. El resultado es un fallo en compilaciones con protecci\u00f3n de memoria y retenci\u00f3n no determinista de saltos de l\u00ednea en compilaciones normales."}], "id": "CVE-2026-14740", "lastModified": "2026-10-25T20:10:00.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-14740", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-08T13:58:06.622142Z", "version": "2.0.3"}}]}, "published": "2026-07-07T23:16:54.193", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Patch"], "url": "https://github.com/perl5-dbi/dbi/commit/fc16f9e8b3dd5c65caf1867781ab2bfe2fadcc01.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Vendor Advisory"], "url": "https://github.com/perl5-dbi/dbi/security/advisories/GHSA-35f4-f8m9-w8xg"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "tags": ["Release Notes"], "url": "https://metacpan.org/release/HMBRAND/DBI-1.650/changes"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/07/07/17"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{"bugzilla": {"description": "DBI: DBI for Perl: Out-of-bounds read in SQL comment processing", "id": "2497905", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2497905"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["DBI versions before 1.650 for Perl read one byte out-of-bounds in preparse when deleting an initial SQL comment.\nThe preparse method normalises SQL and removes comments. When the SQL starts with a comment line, the deletion of that line during normalisation led to an out-of-bounds read by one byte. The result is a fault on memory-hardened builds and nondeterministic newline retention on normal builds.", "A flaw was found in DBI for Perl. When processing SQL queries, the `preparse` method, which normalizes SQL and removes comments, can read one byte beyond its intended memory boundary. This occurs specifically when an SQL query begins with a comment line, leading to an out-of-bounds read during the comment deletion process. This issue may cause a program fault on systems with memory hardening or result in unpredictable newline retention in other environments."], "name": "CVE-2026-14740", "public_date": "2026-07-07T22:05:45Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-14740\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-14740\nhttps://github.com/perl5-dbi/dbi/commit/fc16f9e8b3dd5c65caf1867781ab2bfe2fadcc01.patch\nhttps://github.com/perl5-dbi/dbi/security/advisories/GHSA-35f4-f8m9-w8xg\nhttps://metacpan.org/release/HMBRAND/DBI-1.650/changes"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.650)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DBI", "source": "cna", "vendor": "HMBRAND"}, "product": "dbi", "vendor": "hmbrand"}], "created": "2026-07-07T23:30:16.837645+00:00", "updated": "2026-08-01T17:15:03.398119+00:00", "vendors": ["hmbrand", "hmbrand$PRODUCT$dbi"]}