Out-of-bounds Read in Hmbrand Dbi

CVE-2026-14740

DBI versions before 1.650 for Perl read one byte out-of-bounds in preparse when deleting an initial SQL comment. The preparse method normalises SQL and removes comments. When the SQL starts with a comment line, the deletion of that line d…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14740?
CVE-2026-14740 is a critical-severity vulnerability in Hmbrand Dbi, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2026-07-07.
How severe is CVE-2026-14740?
Critical severity. CVSS v3 base score is 9.1 out of 10.