CVE-2026-14739: DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders

Published Jul 7, 2026
·
Updated

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

Affected Software

3 affected componentsFixes available
Perl DBI DBI<1.650
Perl DBI<1.650
Microsoft azl3 perl-DBI 1.643-5<1.650-1
1.650-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.650-1
  2. Upgrade

    Upgrade DBI (Perl) to a version that resolves this vulnerability.

    Fixed in 1.650Patch CVE-2026-10879

Event History

Jul 7, 2026
CVE Published
via MITRE·10:05 PM
Data Sourced
via MITRE·10:05 PM
RemedyDescriptionWeakness
Data Sourced
via Red Hat·11:02 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·11:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jul 11, 2026
Data Sourced
via Microsoft·08:06 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:06 AM
DescriptionSeverity
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Frequently Asked Questions

1

What is the severity of CVE-2026-14739?

CVE-2026-14739 has a risk score of 43, indicating a moderate severity level.

2

How do I fix CVE-2026-14739?

To fix CVE-2026-14739, upgrade to DBI version 1.650 or later which imposes a limit on the number of placeholders.

3

What type of vulnerability is CVE-2026-14739?

CVE-2026-14739 is a heap overflow vulnerability caused by an unbounded number of SQL placeholders.

4

Which software is affected by CVE-2026-14739?

CVE-2026-14739 affects versions of the Perl DBI library prior to 1.650.

5

What is the main risk associated with CVE-2026-14739?

The main risk of CVE-2026-14739 is potential memory corruption due to heap overflow when using excessive SQL placeholders.

Contact

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