# CVE-2026-88815: DBI versions before 1.654 for Perl incorrectly treat numeric values as strings in sql_type_cast_svpv

CVE-2026-88815 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-88815, released September 29, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-88815
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 28, 2026
- Weakness: Access of Resource Using Incompatible Type ('Type Confusion')
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88815

## Description

The perl-DBI package provides the standard database interface module for the Perl programming language. It implements a database-independent interface, meaning it defines a consistent set of methods, variables, and conventions for database operations.    Security Fix(es):      * perl-DBI: perl-DBI: Denial of Service via invalid memory read during numeric type casting (CVE-2026-88815)   For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libdbi-perl Debian 12.15 (bookworm) | 1.643-4+deb12u3 | [DEBIAN-CVE-2026-88815](https://patchblox.com/security/data/fix/linux/debian-cve-2026-88815.md) | Sep 29, 2026 |
| Linux | libdbi-perl Debian 14 | 1.654-1 | [DEBIAN-CVE-2026-88815](https://patchblox.com/security/data/fix/linux/debian-cve-2026-88815.md) | Sep 29, 2026 |
| Linux | perl-DBI RHEL 10 | 1.643-26.el10_2.7 | [RHSA-2026:76762](https://patchblox.com/security/data/fix/linux/rhsa-2026-76762.md) | Oct 7, 2026 |
| Linux | perl-DBI RHEL 8 | 0:1.641-11.module+el8.10.0+25025+dbc88c75 | [RHSA-2026:85916](https://patchblox.com/security/data/fix/linux/rhsa-2026-85916.md) | Oct 8, 2026 |
| Linux | perl-DBI RHEL 9 | 0:1.643-9.el9_8.7 | [RHSA-2026:76760](https://patchblox.com/security/data/fix/linux/rhsa-2026-76760.md) | Oct 9, 2026 |
| Linux | perl-DBI almalinux 10 | 1.643-26.el10_2.7 | [ALSA-2026:76762](https://patchblox.com/security/data/fix/linux/alsa-2026-76762.md) | Oct 6, 2026 |
| Linux | perl-DBI almalinux 8 | 1.641-11.module_el8.10.0+4309+f7cd2555 | [ALSA-2026:85916](https://patchblox.com/security/data/fix/linux/alsa-2026-85916.md) | Nov 7, 2026 |
| Linux | perl-DBI almalinux 9 | 1.643-9.el9_8.7 | [ALSA-2026:76760](https://patchblox.com/security/data/fix/linux/alsa-2026-76760.md) | Oct 6, 2026 |
| Linux | perl-DBI ol 10 | 0:1.643-26.el10_2.7 | [ELSA-2026-76762](https://patchblox.com/security/data/fix/linux/elsa-2026-76762.md) | Oct 6, 2026 |
| Linux | perl-DBI ol 8 | 0:1.641-4.el8_10 | [ELSA-2026-77576](https://patchblox.com/security/data/fix/linux/elsa-2026-77576.md) | Oct 8, 2026 |
| Linux | perl-DBI ol 9 | 0:1.643-9.el9_8.7 | [ELSA-2026-76760](https://patchblox.com/security/data/fix/linux/elsa-2026-76760.md) | Oct 7, 2026 |
| Linux | perl-DBI rocky 10 | 0:1.643-26.el10_2.7 | [RLSA-2026:76762](https://patchblox.com/security/data/fix/linux/rlsa-2026-76762.md) | Oct 7, 2026 |
| Linux | perl-DBI rocky 8 | 0:1.641-11.module+el8.10.0+40389+be9de675 | [RLSA-2026:85916](https://patchblox.com/security/data/fix/linux/rlsa-2026-85916.md) | Nov 7, 2026 |
| Linux | perl-DBI rocky 9 | 0:1.643-9.el9_8.7 | [RLSA-2026:76760](https://patchblox.com/security/data/fix/linux/rlsa-2026-76760.md) | Nov 7, 2026 |
| Linux | perl-DBI sles 15.7 | 1.647.0-150600.12.26.1 | [SUSE-SU-2026:4805-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4805-1.md) | Nov 7, 2026 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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