Vulnerability Report

CVE-2026-14739

Title: Heap Overflow with Extreme SQL Placeholders

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2026-14739.

CWE Category CWE-787

Published Date Jul 07, 2026

Modified Date Jul 10, 2026

Exploit Status Not Found

Score 9.8 CVSS v

Exploit Probability (EPSS)

0.40%

Vulnerability Summary

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.

Impacted Vendors

perl 1

Reference Links

https://github.com/perl5-dbi/dbi/commit/2b77c88b655e9539a592c71a61fb965fc0075395.patch https://metacpan.org/release/HMBRAND/DBI-1.650/changes https://www.cve.org/CVERecord?id=CVE-2026-10879

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-14739 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

July 10, 2026 MODIFIED

Vulnerability data updated via NVD.

July 09, 2026 MODIFIED

Vulnerability data updated via NVD.

July 08, 2026 MODIFIED

Vulnerability data updated via NVD.

July 07, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.