CVE-2026-14739

DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders.

The fix for CVE-2026-10879 did not allocate enough memory to handle approximately 1.2-million placeholders.

DBI version 1.650 sets a hard limit of 99,999 placeholders.

DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders. The fix for CVE-2026-10879 did not allocate enough memory to handle approximately 1.2-million placeholders. DBI version 1.650 sets a hard limit of 99,999 placeholders.

The DBI is the standard database interface module for Perl. It defines a set of methods, variables and conventions that provide a consistent database interface independent of the actual database being used. It is important to remember that the DBI is just an interface. The DBI is a layer of "glue" between an application and one or more database driver modules. It is the driver modules which do most of the real work. The DBI provides a standard interface and framework for the drivers to operate within.

Security Fix(es):

DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders.

The fix for CVE-2026-10879 did not allocate enough memory to handle approximately 1.2-million placeholders.

DBI version 1.650 sets a hard limit of 99,999 placeholders.(CVE-2026-14739)

DBI::SQL::Nano versions from 1.42 before 1.651 for Perl have inverted <= and >= SQL operators on text.

DBI::SQL::Nano, DBI's built-in mini-SQL engine, evaluated WHERE predicates incorrectly in some cases. In the non-numeric string branch of the is_matched method, <= was evaluated using Perl's ge operator, and >= was evaluated using Perl's le operator.

SQL::Nano is the fallback query engine for DBI's file-backed drivers (DBD::File, DBD::DBM, CSV-style drivers) whenever SQL::Statement is not installed, and is forced whenever DBI_SQL_NANO=1. Queries over such tables use these predicates directly.

The impact depends on the context. Where an application relies on a WHERE clause to filter file-backed data for policy or authorization, an inverted <=/>= comparison silently returns the wrong rows.(CVE-2026-15043)

DBI::ProfileData versions before 1.651 for Perl do not limit the path index.

The path index column of profile dump files is used to allocate an array of data for the parser. An unbounded value allows an attacker to specify a large index and consume available memory.(CVE-2026-60081)

DBI versions before 1.651 for Perl do not enforce statement handle consistency with the row.

When the statement handle had no fields but the source row was non-empty, the internal row-buffer helper would read from a negative array index.

This could be triggered by a caller supplying inconsistent metadata and rows to the prepare method.(CVE-2026-60082)

DBI is a database access Application Programming Interface (API) for the Perl Language. The DBI API Specification defines a set of functions, variables and conventions that provide a consistent database interface independent of the actual database being used.

Security Fix(es):

• DBI: DBI: Arbitrary code execution via caller-influenced Profile attribute (CVE-2026-14380)

• DBI: DBI: Heap overflow when preparsing SQL statements with excessive placeholders (CVE-2026-14739)

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.

DBI is a database access Application Programming Interface (API) for the Perl Language. The DBI API Specification defines a set of functions, variables and conventions that provide a consistent database interface independent of the actual database being used.

Security Fix(es):

• DBI: DBI: Arbitrary code execution via caller-influenced Profile attribute (CVE-2026-14380)

• DBI: DBI: Heap overflow when preparsing SQL statements with excessive placeholders (CVE-2026-14739)

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.

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):

• DBI: Heap overflow when preparsing SQL statements with excessive placeholders (CVE-2026-14739)

• DBI: Arbitrary code execution via caller-influenced Profile attribute (CVE-2026-14380)

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.

DBI is a database access Application Programming Interface (API) for the Perl Language. The DBI API Specification defines a set of functions, variables and conventions that provide a consistent database interface independent of the actual database being used.

Security Fix(es):

• perl-DBI: perl-DBI: Heap overflow in SQL preparsing can lead to denial of service or arbitrary code execution. (CVE-2026-10879)

• DBI: DBI: Buffer overflow in error handling can lead to arbitrary code execution (CVE-2026-9698)

• DBI: DBI: Arbitrary code execution via caller-influenced Profile attribute (CVE-2026-14380)

• DBI: DBI: Heap overflow when preparsing SQL statements with excessive placeholders (CVE-2026-14739)

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.

DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders. The fix for CVE-2026-10879 did not allocate enough memory to handle approximately 1.2-million placeholders. DBI version 1.650 sets a hard limit of 99,999 placeholders.

DBI is a database access Application Programming Interface (API) for the Perl Language. The DBI API Specification defines a set of functions, variables and conventions that provide a consistent database interface independent of the actual database being used.

Security Fix(es):

• DBI: DBI: Arbitrary code execution via caller-influenced Profile attribute (CVE-2026-14380)
• DBI: DBI: Heap overflow when preparsing SQL statements with excessive placeholders (CVE-2026-14739)

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.

DBI is a database access Application Programming Interface (API) for the Perl Language. The DBI API Specification defines a set of functions, variables and conventions that provide a consistent database interface independent of the actual database being used.

Security Fix(es):

• DBI: DBI: Arbitrary code execution via caller-influenced Profile attribute (CVE-2026-14380)
• DBI: DBI: Heap overflow when preparsing SQL statements with excessive placeholders (CVE-2026-14739)

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.

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):

• DBI: Heap overflow when preparsing SQL statements with excessive placeholders (CVE-2026-14739)
• DBI: Arbitrary code execution via caller-influenced Profile attribute (CVE-2026-14380)

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.

DBI is a database access Application Programming Interface (API) for the Perl Language. The DBI API Specification defines a set of functions, variables and conventions that provide a consistent database interface independent of the actual database being used.

Security Fix(es):

• perl-DBI: perl-DBI: Heap overflow in SQL preparsing can lead to denial of service or arbitrary code execution. (CVE-2026-10879)
• DBI: DBI: Buffer overflow in error handling can lead to arbitrary code execution (CVE-2026-9698)
• DBI: DBI: Arbitrary code execution via caller-influenced Profile attribute (CVE-2026-14380)
• DBI: DBI: Heap overflow when preparsing SQL statements with excessive placeholders (CVE-2026-14739)

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.

DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders.

The fix for CVE-2026-10879 did not allocate enough memory to handle approximately 1.2-million placeholders.

DBI version 1.650 sets a hard limit of 99,999 placeholders.

• CVE-2026-14380: load DBI::Profile packages via Module::Load instead of interpolating the caller-influenced package name into a string eval
• CVE-2026-14739: set a hard limit of 99999 '?' placeholders and grow the preparse() buffer to 7x the statement length

• CVE-2026-14380: load DBI::Profile packages via Module::Load instead of interpolating the caller-influenced package name into a string eval
• CVE-2026-14739: set a hard limit of 99999 '?' placeholders and grow the preparse() buffer to 7x the statement length

The updated packages fix several security issues.

These are all security issues fixed in the perl-DBI-1.650.0-1.1 package on the GA media of openSUSE Tumbleweed.

Root has patched CVE-2026-14739 in the libdbi-perl package for Root:Debian:12. Multiple fixed versions available.