{"id":"CVE-2026-88815","title":"DBI versions before 1.654 for Perl incorrectly treat numeric values as strings in sql_type_cast_svpv.\n\nWhen casting to SQL_NUMERIC, sql_type_cast_svpv passes the string pointer and length of the SV to grok_number without stringifying it …","summary":"DBI versions before 1.654 for Perl incorrectly treat numeric values as strings in sql_type_cast_svpv.\n\nWhen casting to SQL_NUMERIC, sql_type_cast_svpv passes the string pointer and length of the SV to grok_number without stringifying it …","severity":"medium","cvss":6.2,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-843"],"vendor":"Red Hat","product":"DBI","affected":["DBI < 1.654"],"published":"2026-09-28","updated":"2026-09-30","sourceUpdated":"2026-09-30T20:17:35.380","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88815","references":[{"url":"https://github.com/perl5-dbi/dbi/commit/e5ad87e5602da995d28b4d65df222368b58d6702.patch","label":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://github.com/perl5-dbi/dbi/security/advisories/GHSA-c8vq-w3wr-6979","label":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://metacpan.org/release/HMBRAND/DBI-1.654/changes","label":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"http://www.openwall.com/lists/oss-security/2026/09/28/12","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/perl5-dbi/dbi/security/advisories/GHSA-c8vq-w3wr-6979","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-88815.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-88815"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2542559"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-88815"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88815"},{"url":"https://access.redhat.com/errata/RHSA-2026:76762"}],"tags":["nvd","cve.org","exploit-available","csaf","vex","red-hat"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T19:52:26.167139Z"},"epss":0.00202,"epssPercentile":0.10088,"scores":{"nvd":6.2,"vendor":7.5},"ingestedAt":"2026-09-28T17:16:27.817Z","patched":["enterprise_linux_appstream_v_10"],"slug":"CVE-2026-88815","body":"## Overview\n\nDBI versions before 1.654 for Perl incorrectly treat numeric values as strings in sql_type_cast_svpv.\n\nWhen casting to SQL_NUMERIC, sql_type_cast_svpv passes the string pointer and length of the SV to grok_number without stringifying it first. An integer (IV) or floating-point (NV) value has no valid string pointer, so grok_number reads from an invalid address, triggering a segmentation fault.\n\nThis is reachable in Perl using the sql_type_cast function:\n\n  my $num = 42;\n  DBI::sql_type_cast( $num, DBI::SQL_NUMERIC, 0 );\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-10-06 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-88815.json)\n- **RHSA-2026:76762** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2026-10-06 · [advisory](https://access.redhat.com/errata/RHSA-2026:76762)","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":34.1,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":213906,"id":"CVE-2026-88815","ts":1790799879627,"field":"exploit_available","old":"false","new":"true"},{"seq":213905,"id":"CVE-2026-88815","ts":1790799879627,"field":"cvss","old":"7.5","new":"6.2"},{"seq":213904,"id":"CVE-2026-88815","ts":1790799879627,"field":"severity","old":"high","new":"medium"},{"seq":212291,"id":"CVE-2026-88815","ts":1790668137041,"field":"cvss","old":null,"new":"7.5"},{"seq":212290,"id":"CVE-2026-88815","ts":1790668137041,"field":"severity","old":"none","new":"high"}]}