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

highCVSS 8.6CVE-2026-14739

CSIRTS triage

vendor: Perl product: DBI Privilege escalationaffected: before 1.650

What: A heap overflow vulnerability occurs when preparsing SQL statements with an extreme number of placeholders.
Who is affected: Users of DBI versions before 1.650 for Perl are affected.
Urgency: Remediation is urgent due to the high severity of the vulnerability.
Action: Upgrade to DBI version 1.650 or later.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 8.6
Published: 2026-07-02
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-14739

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-147390.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-14739	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

criticalCVE-2026-14739: DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an…nvd

Recent advisories for DBI

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