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CVE-2026-88816

DBI versions before 1.654 for Perl incorrectly treat numeric values as strings in FetchHashKeyName

DBI versions before 1.654 for Perl incorrectly treat numeric values as strings in FetchHashKeyName. fetchrow_hashref uses the string pointer of the FetchHashKeyName attribute as the key name without stringifying it first. When FetchHashKeyName has been set to an integer (IV) or floating-point (NV) value, that pointer is invalid, so reading the key name triggers a segmentation fault. This can be triggered with the following code: my $dbh = DBI->connect( "dbi:ExampleP:", "", "", { RaiseError => 0, PrintError => 0 } ); $dbh->{FetchHashKeyName} = 42; my $sth = $dbh->prepare("select mode, size, name from ."); $sth->execute; $sth->fetchrow_hashref;

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Perl
Products
Dbi
CVE-2026-9698

DBI versions before 1.648 for Perl saved errors in a limited-sized buffer

DBI versions before 1.648 for Perl saved errors in a limited-sized buffer. Error messages that were returned when RaiseError, PrintError or HandleError were set were written to a 200-byte buffer without a length limit. Attackers that can influence the error text in an application can trigger a buffer overflow.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Hmbrand Perl
Products
Dbi Dbi
CVE-2026-14380

DBI versions before 1.650 for Perl are vulnerable to code injection via caller-influenced Profile

DBI versions before 1.650 for Perl are vulnerable to code injection via caller-influenced Profile. When a string is assigned to a DBI handle's Profile attribute, DBI splits it into path, package and arguments, and interpolates the package part in a string eval with no validation of the package name. Any caller-influenced value that reaches the Profile attribute is therefore arbitrary Perl code execution, including calls to run system commands. The Profile attribute can be set from three different sources that can carry untrusted data: the DBI_PROFILE environment variable, a direct attribute assignment, and a DSN driver-attribute clause dbi:Driver(Profile=>SPEC):db. An attacker controlling any of those inputs runs arbitrary Perl in the host process. The strongest remote position is a network-exposed DBI::Gofer / DBI::ProxyServer whose per-request DSN reaches the Profile attribute, letting a client execute code on the broker host.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Hmbrand Perl
Products
Dbi Dbi
CVE-2026-14739

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

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Hmbrand Perl
Products
Dbi Dbi
CVE-2026-14740

DBI versions before 1.650 for Perl read one byte out-of-bounds in preparse when deleting an initial SQL comment

DBI versions before 1.650 for Perl read one byte out-of-bounds in preparse when deleting an initial SQL comment. The preparse method normalises SQL and removes comments. When the SQL starts with a comment line, the deletion of that line during normalisation led to an out-of-bounds read by one byte. The result is a fault on memory-hardened builds and nondeterministic newline retention on normal builds.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Hmbrand Perl
Products
Dbi Dbi
CVE-2026-10879

DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders

DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders. The preparse method expands SQL placeholder characters to numbered binders of the form :pN, but only allocates three characters per binder in the buffer. Placeholders 10-99 require four characters, 100-999 require five characters, et cetera.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Hmbrand Perl
Products
Dbi Dbi
CVE-2019-20919

perl-dbi: NULL profile dereference in dbi_profile()

An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 2 more
Products
Ubuntu Linux Debian Linux Fedora and 2 more
CVE-2014-10402

perl-dbi: Incomplete fix for CVE-2014-10401

An issue was discovered in the DBI module through 1.643 for Perl. DBD::File drivers can open files from folders other than those specifically passed via the f_dir attribute in the data source name (DSN). NOTE: this issue exists because of an incomplete fix for CVE-2014-10401.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Perl
Products
Dbi
CVE-2014-10401

perl-dbi: DBD:: File drivers open files from folders other than specifically passed

An issue was discovered in the DBI module before 1.632 for Perl. DBD::File drivers can open files from folders other than those specifically passed via the f_dir attribute.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Perl
Products
Dbi
CVE-2013-7491

perl-dbi: Stack corruption on callbacks

An issue was discovered in the DBI module before 1.628 for Perl. Stack corruption occurs when a user-defined function requires a non-trivial amount of memory and the Perl stack gets reallocated.

CVSS 3.1 · 5.3 Medium EPSS 2.7% KEV · Not listed
Vendors
Perl
Products
Dbi
CVE-2013-7490

perl-dbi: Risk of memory corruption with many arguments in DBI method dispatch

An issue was discovered in the DBI module before 1.632 for Perl. Using many arguments to methods for Callbacks may lead to memory corruption.

CVSS 3.1 · 5.3 Medium EPSS 2.7% KEV · Not listed
Vendors
Canonical Perl
Products
Ubuntu Linux Dbi