Upstream information
Description
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.preparse 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.
Any 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.
SUSE information
Overall state of this security issue: Pending
This issue is currently rated as having moderate severity.
| CVSS detail | CNA (CISA-ADP) |
|---|---|
| Base Score | 9.8 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality Impact | High |
| Integrity Impact | High |
| Availability Impact | High |
| CVSSv3 Version | 3.1 |
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
| Product(s) | Source package | State |
|---|---|---|
| Products under general support and receiving all security fixes. | ||
| SUSE Linux Enterprise Desktop 15 SP7 | perl-DBI | Released |
| SUSE Linux Enterprise High Performance Computing 12 | perl-DBI | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | perl-DBI | Released |
| SUSE Linux Enterprise Server 15 SP7 | perl-DBI | Released |
| SUSE Linux Enterprise Server 16.0 | perl-DBI | Affected |
| SUSE Linux Enterprise Server 16.1 | perl-DBI | Released |
| SUSE Linux Enterprise Server for SAP Applications 15 SP7 | perl-DBI | Released |
| SUSE Linux Enterprise Server for SAP applications 16.0 | perl-DBI | Affected |
| SUSE Linux Enterprise Server for SAP applications 16.1 | perl-DBI | Released |
| SUSE Linux Micro 6.2 | perl-DBI | Affected |
| openSUSE Leap 16.0 | perl-DBI | Affected |
| Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
| SUSE Linux Enterprise High Performance Computing 12 SP5 | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5 | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP4 | perl-DBI | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP5 | perl-DBI | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP6 | perl-DBI | Affected |
| SUSE Linux Enterprise Server 12 SP5 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP5-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP4 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP4-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP5 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP5-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP6 | perl-DBI | Affected |
| SUSE Linux Enterprise Server 15 SP6-LTSS | perl-DBI | Released |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | perl-DBI | Released |
| Products past their end of life and not receiving proactive updates anymore. | ||
| HPE Helion OpenStack 8 | perl-DBI | Not affected |
| SUSE CaaS Platform 3.0 | perl-DBI | Not affected |
| SUSE CaaS Platform 4.0 | perl-DBI | Not affected |
| SUSE Enterprise Storage 6 | perl-DBI | Not affected |
| SUSE Enterprise Storage 7 | perl-DBI | Not affected |
| SUSE Enterprise Storage 7.1 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 12 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 12 SP1 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 12 SP2 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 12 SP3 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 12 SP4 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 15 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 15 SP1 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 15 SP2 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 15 SP3 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 15 SP4 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 15 SP5 | perl-DBI | Not affected |
| SUSE Linux Enterprise Desktop 15 SP6 | perl-DBI | Affected |
| SUSE Linux Enterprise High Performance Computing 12 SP1 | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 12 SP2 | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 12 SP3 | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 12 SP4 | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP1 | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2 | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3 | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP4 | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15-ESPOS | perl-DBI | Not affected |
| SUSE Linux Enterprise High Performance Computing 15-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 | perl-DBI | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP1 | perl-DBI | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 | perl-DBI | Not affected |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | perl-DBI | Not affected |
| SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT | perl-DBI | Not affected |
| SUSE Linux Enterprise Real Time 15 SP2 | perl-DBI | Not affected |
| SUSE Linux Enterprise Real Time 15 SP3 | perl-DBI | Not affected |
| SUSE Linux Enterprise Real Time 15 SP4 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP1 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP1-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP2 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP2-BCL | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP2-ESPOS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP2-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP3 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP3-BCL | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP3-ESPOS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP3-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP4 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP4-ESPOS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12 SP4-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 12-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP1 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP1-BCL | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP1-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP2 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP2-BCL | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP2-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP3 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP3-BCL | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15 SP3-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server 15-LTSS | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP1 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP2 | perl-DBI | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | perl-DBI | Not affected |
| SUSE Manager Proxy 4.0 | perl-DBI | Not affected |
| SUSE Manager Proxy 4.1 | perl-DBI | Not affected |
| SUSE Manager Proxy 4.2 | perl-DBI | Not affected |
| SUSE Manager Proxy 4.3 | perl-DBI | Not affected |
| SUSE Manager Proxy LTS 4.3 | perl-DBI | Not affected |
| SUSE Manager Retail Branch Server 4.0 | perl-DBI | Not affected |
| SUSE Manager Retail Branch Server 4.1 | perl-DBI | Not affected |
| SUSE Manager Retail Branch Server 4.2 | perl-DBI | Not affected |
| SUSE Manager Retail Branch Server 4.3 | perl-DBI | Not affected |
| SUSE Manager Retail Branch Server LTS 4.3 | perl-DBI | Not affected |
| SUSE Manager Server 4.0 | perl-DBI | Not affected |
| SUSE Manager Server 4.1 | perl-DBI | Not affected |
| SUSE Manager Server 4.2 | perl-DBI | Not affected |
| SUSE Manager Server 4.3 | perl-DBI | Not affected |
| SUSE Manager Server LTS 4.3 | perl-DBI | Not affected |
| SUSE OpenStack Cloud 7 | perl-DBI | Not affected |
| SUSE OpenStack Cloud 8 | perl-DBI | Not affected |
| SUSE OpenStack Cloud 9 | perl-DBI | Not affected |
| SUSE OpenStack Cloud Crowbar 8 | perl-DBI | Not affected |
| SUSE OpenStack Cloud Crowbar 9 | perl-DBI | Not affected |
| openSUSE Leap 15.3 | perl-DBI | Not affected |
| openSUSE Leap 15.4 | perl-DBI | Not affected |
| openSUSE Leap 15.5 | perl-DBI | Not affected |
| openSUSE Leap 15.6 | perl-DBI | Released |
| Container Status | ||
| suse/rmt-mariadb | perl-DBI | Not affected |
| suse/manager/5.0/x86_64/server suse/mariadb suse/mariadb:10.11 suse/multi-linux-manager/5.1/x86_64/server suse/multi-linux-manager/5.2/x86_64/server | perl-DBI | In progress |
SUSE Timeline for this CVE
CVE page created: Sat Aug 15 17:38:12 2026CVE page last modified: Tue Sep 1 12:04:45 2026