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Vulnerability record · CVE-2026-14739 · published 7 July 2026

CVE-2026-14739: Perl dbi out-of-bounds write vulnerability

Perl · Dbi

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.

9.8 CVSS 3.1 Critical EPSS 0.41% · top 67.0% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
10 Jul 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/perl5-dbi/dbi/commit/2b77c88b655e9539a592c71a61fb965fc0075395.patch Patch
https://metacpan.org/release/HMBRAND/DBI-1.650/changes Release Notes
https://www.cve.org/CVERecord?id=CVE-2026-10879 Not Applicable

Track CVE-2026-14739 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-9698Perl dbi out-of-bounds write vulnerabilityDBI versions before 1.648 for Perl saved errors in a limited-sized buffer. Error messages that were returned when RaiseError, PrintError or HandleErr…EPSS 0.82%9.8CVE-2026-10879Perl dbi out-of-bounds write vulnerabilityDBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders. The preparse method expands SQL plac…EPSS 0.49%9.1CVE-2026-14740Perl dbi out-of-bounds read vulnerabilityDBI 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 a…EPSS 0.39%8.8CVE-2026-14380Perl dbi vulnerabilityDBI 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 Profil…EPSS 0.50%6.1CVE-2014-10402Perl dbi incorrect permission assignment vulnerabilityAn 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 …EPSS 0.48%6.1CVE-2014-10401Perl dbi incorrect permission assignment vulnerabilityAn 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 v…EPSS 0.44%5.3CVE-2013-7490Perl dbi memory buffer overflow vulnerabilityAn issue was discovered in the DBI module before 1.632 for Perl. Using many arguments to methods for Callbacks may lead to memory corruption.EPSS 2.7%5.3CVE-2013-7491Perl dbi out-of-bounds write vulnerabilityAn 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 o…EPSS 2.7%

Source: NIST National Vulnerability Database (record CVE-2026-14739), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.