{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73194", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-08-11T11:58:19.137Z", "datePublished": "2026-08-15T12:09:22.962Z", "dateUpdated": "2026-08-17T20:29:56.764Z"}, "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": "finder", "value": "Harsh Raj Singhania"}], "descriptions": [{"lang": "en", "value": "DBI versions before 1.652 for Perl allow a heap out-of-bounds write via an unvalidated numeric placeholder that sets the binder counter in preparse.\n\npreparse reserves seven output bytes per input byte, the width of the longest ':p99999' expansion. The ':N' branch parses the number with `atoi(src)` and assigns it to the binder counter with no range check, so a statement containing ':2147483648' leaves the counter negative (-2147483648 with glibc, where atoi wraps). Each following '?' then expands through `sprintf(start, \":p%d\", idx++)` to ':p-2147483648', 14 bytes with the terminating NUL where the buffer budgets 7. The placeholder limit added in 1.650 tests the counter against 99,999, which a negative counter passes.\n\nAny caller that preparses an untrusted statement into ':pN' style placeholders gets a heap out-of-bounds write that grows with the number of '?' marks following the poisoned placeholder. The '?' and '%s' return styles compare the parsed number against the expected sequence and error out, and are unaffected."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1284", "description": "CWE-1284 Improper Validation of Specified Quantity in Input", "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": "2026-08-15T12:09:22.962Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://github.com/perl5-dbi/dbi/security/advisories/GHSA-623j-hfpc-mrc4"}, {"tags": ["patch"], "url": "https://github.com/perl5-dbi/dbi/commit/29b72ae7d2a8114a734a55840bf1c45b89207809.patch"}, {"tags": ["related"], "url": "https://www.cve.org/CVERecord?id=CVE-2026-14739"}, {"tags": ["related"], "url": "https://www.cve.org/CVERecord?id=CVE-2026-10879"}], "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 via an unvalidated numeric placeholder that sets the binder counter in preparse", "workarounds": [{"lang": "en", "value": "For deployments that cannot be upgraded, limit SQL statements to 99,999 placeholders."}], "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-17T20:29:15.870047Z", "id": "CVE-2026-73194", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-17T20:29:56.764Z"}}]}}

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{"affected": [{"affectedData": [{"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"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "DBI versions before 1.652 for Perl allow a heap out-of-bounds write via an unvalidated numeric placeholder that sets the binder counter in preparse.\n\npreparse reserves seven output bytes per input byte, the width of the longest ':p99999' expansion. The ':N' branch parses the number with `atoi(src)` and assigns it to the binder counter with no range check, so a statement containing ':2147483648' leaves the counter negative (-2147483648 with glibc, where atoi wraps). Each following '?' then expands through `sprintf(start, \":p%d\", idx++)` to ':p-2147483648', 14 bytes with the terminating NUL where the buffer budgets 7. The placeholder limit added in 1.650 tests the counter against 99,999, which a negative counter passes.\n\nAny caller that preparses an untrusted statement into ':pN' style placeholders gets a heap out-of-bounds write that grows with the number of '?' marks following the poisoned placeholder. The '?' and '%s' return styles compare the parsed number against the expected sequence and error out, and are unaffected."}], "id": "CVE-2026-73194", "lastModified": "2026-08-17T21:16:48.677", "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-2026-73194", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-17T20:29:15.870047Z", "version": "2.0.3"}}]}, "published": "2026-08-15T13:17:48.433", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/perl5-dbi/dbi/commit/29b72ae7d2a8114a734a55840bf1c45b89207809.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/perl5-dbi/dbi/security/advisories/GHSA-623j-hfpc-mrc4"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://www.cve.org/CVERecord?id=CVE-2026-10879"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://www.cve.org/CVERecord?id=CVE-2026-14739"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}, {"lang": "en", "value": "CWE-1284"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

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