CVE-2026-14740: DBI versions before 1.650 for Perl read one byte out-of-bounds in preparse when deleting an initial SQL comment

criticalCVSS 9.1CVE-2026-14740

CSIRTS triage

vendor: DBI product: DBIOtheraffected: versions before 1.650

What: An out-of-bounds read occurs in preparse when deleting an initial SQL comment.
Who is affected: Users of DBI versions before 1.650 are affected.
Urgency: Remediation is urgent due to the critical severity of the issue.
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: critical — CVSS 9.1
Published: 2026-07-02
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-14740

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-2026-147400.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-14740	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

criticalCVE-2026-14740: DBI versions before 1.650 for Perl read one byte out-of-bounds in preparse when deleting an in…nvd

Recent advisories for DBI

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

criticalCVE-2026-14740: DBI versions before 1.650 for Perl read one byte out-of-bounds in preparse when deleting an in…nvd · 2026-07-07
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