{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-108518", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-10-10T09:59:45.173Z", "datePublished": "2026-10-20T21:23:13.373Z", "dateUpdated": "2026-10-21T00:17:16.110Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["DBI"], "packageName": "DBI", "packageURL": "pkg:cpan/DBI", "programFiles": ["DBI.xs"], "programRoutines": [{"name": "dbi_profile"}], "repo": "https://github.com/perl5-dbi/dbi", "versions": [{"lessThan": "1.656", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Henrik Teichmann"}], "descriptions": [{"lang": "en", "value": "DBI versions before 1.656 for Perl crash via type confusion in dbi_profile when a database handle is destroyed under a Profile Path with an {attr} element.\n\nAn {attr} element names a database handle attribute, which dbi_profile reads from the handle's inner hash. It expects the inner handle as a reference and dereferences it, but a handle that is being destroyed hands back the inner hash itself, so the dereference yields the hash's bucket array. A type check on that pointer usually fails and the call goes unprofiled. When the memory it addresses passes the check, the attribute lookup dereferences a NULL or invalid pointer and the process dies on SIGSEGV.\n\nThe Path is set by the application, by the Profile handle attribute, or by the DBI_PROFILE environment variable, so `DBI_PROFILE={ImplementorClass}` can crash an unmodified program."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-843", "description": "CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-10-20T21:23:13.373Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://github.com/perl5-dbi/dbi/security/advisories/GHSA-7393-6f8r-fhh3"}, {"tags": ["patch"], "url": "https://github.com/perl5-dbi/dbi/commit/c2ff4df575d7af625bb4d0d1ef7539f90b22d8b2.patch"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/HMBRAND/DBI-1.656/changes"}], "solutions": [{"lang": "en", "value": "Upgrade to DBI 1.656 or later."}], "source": {"discovery": "UNKNOWN"}, "title": "DBI versions before 1.656 for Perl crash via type confusion in dbi_profile when a database handle is destroyed under a Profile Path with an {attr} element", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/10/20/37"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-10-21T00:17:16.110Z"}}]}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["DBI"], "packageName": "DBI", "packageURL": "pkg:cpan/DBI", "programFiles": ["DBI.xs"], "programRoutines": [{"name": "dbi_profile"}], "repo": "https://github.com/perl5-dbi/dbi", "versions": [{"lessThan": "1.656", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "DBI versions before 1.656 for Perl crash via type confusion in dbi_profile when a database handle is destroyed under a Profile Path with an {attr} element.\n\nAn {attr} element names a database handle attribute, which dbi_profile reads from the handle's inner hash. It expects the inner handle as a reference and dereferences it, but a handle that is being destroyed hands back the inner hash itself, so the dereference yields the hash's bucket array. A type check on that pointer usually fails and the call goes unprofiled. When the memory it addresses passes the check, the attribute lookup dereferences a NULL or invalid pointer and the process dies on SIGSEGV.\n\nThe Path is set by the application, by the Profile handle attribute, or by the DBI_PROFILE environment variable, so `DBI_PROFILE={ImplementorClass}` can crash an unmodified program."}], "id": "CVE-2026-108518", "lastModified": "2026-10-22T17:21:57.293", "metrics": {}, "published": "2026-10-20T22:18:48.423", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/perl5-dbi/dbi/commit/c2ff4df575d7af625bb4d0d1ef7539f90b22d8b2.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/perl5-dbi/dbi/security/advisories/GHSA-7393-6f8r-fhh3"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/HMBRAND/DBI-1.656/changes"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/10/20/37"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-843"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{"bugzilla": {"description": "perl-dbi: perl-dbi: Denial of Service via type confusion in dbi_profile", "id": "2557484", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2557484"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-843", "details": ["A flaw was found in the perl-dbi package. A type confusion vulnerability in the profiling feature can lead to an invalid memory dereference, causing the application to crash and resulting in a Denial of Service (DoS). A user or attacker capable of supplying profiling configuration, such as through environment variables, can trigger this flaw during database handle destruction under specific profile path settings."], "name": "CVE-2026-108518", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "perl-DBI", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "perl-DBI", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "perl-DBI", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "perl-DBI", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "perl-DBI:1.641/perl-DBI", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "perl-DBI", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-10-20T21:23:13Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-108518\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-108518\nhttps://github.com/perl5-dbi/dbi/commit/c2ff4df575d7af625bb4d0d1ef7539f90b22d8b2.patch\nhttps://github.com/perl5-dbi/dbi/security/advisories/GHSA-7393-6f8r-fhh3\nhttps://metacpan.org/release/HMBRAND/DBI-1.656/changes"], "threat_severity": "Moderate"}