{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73193", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-08-11T11:58:19.137Z", "datePublished": "2026-08-15T12:09:03.948Z", "dateUpdated": "2026-08-17T20:31:48.261Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["DBI"], "packageName": "DBI", "packageURL": "pkg:cpan/DBI", "programFiles": ["DBI.xs"], "programRoutines": [{"name": "preparse"}], "repo": "https://github.com/perl5-dbi/dbi", "versions": [{"lessThan": "1.652", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Chrysostomos Manousis"}], "descriptions": [{"lang": "en", "value": "DBI versions before 1.652 for Perl allow a heap out-of-bounds write on 32-bit perl via an integer wraparound in the output buffer size computed by preparse.\n\npreparse reserves its output buffer with `newSV(strlen(statement) * 7 + 16)`, budgeting seven output bytes per input byte for the longest ':p99999' expansion. The product is computed in STRLEN, which is 32 bits wide on a 32-bit perl build, so a statement of 613,566,757 bytes multiplies to 4,294,967,299, wraps modulo 2^32 to 3, and reserves 19 bytes. The parser then copies the statement out through a raw pointer with no capacity check, writing the whole 585 MB input past the end of the allocation. The 99,999 placeholder limit does not bound this path, which is reached by ordinary non-placeholder content.\n\nAny caller that passes an untrusted statement of that length to preparse on a 32-bit perl gets a heap out-of-bounds write of attacker controlled bytes. Builds with a 64-bit STRLEN are not affected, since the wrap there needs a statement of about 2.3 exabytes."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-08-15T12:09:03.948Z"}, "references": [{"tags": ["related"], "url": "https://www.cve.org/CVERecord?id=CVE-2026-14739"}, {"tags": ["vendor-advisory"], "url": "https://github.com/perl5-dbi/dbi/security/advisories/GHSA-wj3v-c3hh-mhqr"}, {"tags": ["patch"], "url": "https://github.com/perl5-dbi/dbi/commit/c751ae5a5a6f56c2f8284f37c1f4d43500352ef1.patch"}], "solutions": [{"lang": "en", "value": "Upgrade to DBI 1.652 or later."}], "source": {"discovery": "UNKNOWN"}, "title": "DBI versions before 1.652 for Perl allow a heap out-of-bounds write on 32-bit perl via an integer wraparound in the output buffer size computed by preparse", "workarounds": [{"lang": "en", "value": "On 32-bit depoyments that cannot be upgraded, limit the size of SQL statements under 292 megabytes."}], "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"references": [{"url": "https://github.com/perl5-dbi/dbi/security/advisories/GHSA-wj3v-c3hh-mhqr", "tags": ["exploit"]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-17T20:30:59.439025Z", "id": "CVE-2026-73193", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-17T20:31:48.261Z"}}]}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.652)"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}]}, "product": "dbi", "vendor": "perl5-dbi"}], "created": "2026-08-15T16:30:03.971224+00:00", "updated": "2026-08-18T01:00:05.241809+00:00", "vendors": ["perl5-dbi", "perl5-dbi$PRODUCT$dbi"]}