CVE-2026-14740: hmbrand dbi Out-of-bounds Read
Vulnerability summary
CVE-2026-14740 is a critical (CVSS 9.1) Out-of-bounds Read vulnerability in hmbrand dbi. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 8 · Related 7Timeline
- 07-07-2026PublishedVulnerability first disclosed.
- 08-07-2026Last modifiedVulnerability information updated.
Description
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 during normalisation led to an out-of-bounds read by one byte. The result is a fault on memory-hardened builds and nondeterministic newline retention on normal builds.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · AlpineEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- NVDNIST9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
0.00 pp
From 0.39% on 21-09-2026
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
10 links- metacpan.org/release/HMBRAND/DBI-1.650/changesRelease Notes
