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. DBI version 1.650 sets a hard limit of 99,999 placeholders.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (33.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Hmbrand Dbi — versions 0
- Perl Dbi
Weakness classification (CWE)
References
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (Patch, patch)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (related, vendor-advisory, Not Applicable)
- 9b29abf9-4ab0-4765-b253-1875cd9b441e (release-notes, 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.