Critical severity · published Jul 7, 2026
CVE-2026-14739
DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DB
DBI · HMBRAND
before 1.650 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-14739
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-14739
Patch
https://github.com/perl5-dbi/dbi/commit/2b77c88b655e9539a592c71a61fb965fc0075395.patch
Release Notes
https://metacpan.org/release/HMBRAND/DBI-1.650/changes
Not Applicable
https://www.cve.org/CVERecord?id=CVE-2026-10879
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