Buffer overflow in Hmbrand Dbi
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. DB…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Hmbrand Dbi — versions 0
Weakness classification (CWE)
References
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (patch)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (related, vendor-advisory)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (release-notes)
Frequently asked questions
- What is CVE-2026-14739?
- CVE-2026-14739 is a critical-severity vulnerability in Hmbrand Dbi, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2026-07-07.
- How severe is CVE-2026-14739?
- Critical severity. CVSS v3 base score is 9.8 out of 10.