CVE-2026-14739: hmbrand dbi Out-of-bounds Write
CVSS: 9.8v3.1CriticalAnalyzed
AliasesALPINE-CVE-2026-14739UBUNTU-CVE-2026-14739DEBIAN-CVE-2026-14739
Published 07-07-2026Last modified 08-07-2026
Vulnerability summary
CVE-2026-14739 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in hmbrand dbi. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 34.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 1Timeline
- 07-07-2026PublishedVulnerability first disclosed.
- 08-07-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 5 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 5 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
0.00 pp
From 0.41% on 21-09-2026
21-09-202621-10-2026
EPSS score0.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- perl-dbi< 1.651-r0
Debian1 product
- libdbi-perl< 1.643-4+deb12u2 | < 1.652-2~deb13u1 | < 1.650-1
Hmbrand1 product
- dbi< 1.650
Perl1 product
- dbi< 1.650
Ubuntu1 product
- libdbi-perlAll versions (No fix recorded)
5 vendors · 5 products
References
9 links- metacpan.org/release/HMBRAND/DBI-1.650/changesRelease Notes
