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

Quick assessment

Affected
HMBRAND DBI
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HMBRAND DBI是HMBRAND的服务器设备。 HMBRAND DBI 1.650之前版本存在缓冲区错误漏洞，该漏洞源于在预解析包含极多占位符的SQL语句时存在堆溢出，导致内存分配不足。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.41% · P34

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
HMBRAND DBI < 1.650 affected
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I. Basic Information for CVE-2026-14739

Vulnerability Information
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Vulnerability Title
DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
HMBRAND DBI 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HMBRAND DBI是HMBRAND的服务器设备。 HMBRAND DBI 1.650之前版本存在缓冲区错误漏洞，该漏洞源于在预解析包含极多占位符的SQL语句时存在堆溢出，导致内存分配不足。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
HMBRAND DBI 0 ~ 1.650 -

II. Public POCs for CVE-2026-14739

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III. Intelligence Information for CVE-2026-14739

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Patches & Fixes for CVE-2026-14739 (1)

News Coverage for CVE-2026-14739 (1)

IV. Related Vulnerabilities

Same product: DBI
Same vendor: HMBRAND
Same weakness: CWE-787

V. Comments for CVE-2026-14739

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