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Fencer Vulns
critical 9.8

CVE-2026-14739 json

DBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders

published 2026-07-07 4 mo ago modified 2026-10-25 14 d ago also EUVD-2026-42124

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

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.

Patch / fix

  • HMBRAND DBI 1.650
  • libdbi-perl Debian 12 1.643-4+deb12u2
  • libdbi-perl Debian 13 1.652-2~deb13u1
  • libdbi-perl Debian 14 1.650-1

debian advisories DEBIAN-CVE-2026-14739

  • perl-DBI RHEL 8 1.641-2.el8_10
  • perl-DBI RHEL 8 1.641-8.module+el8.10.0+24620+ff0e05e9
  • perl-DBI RHEL 9 1.643-9.el9_8.3
  • perl-DBI RHEL 10.2 1.643-26.el10_2.3

red hat advisories RHSA-2026:62667RHSA-2026:52772RHSA-2026:49612RHSA-2026:49514

  • perl-DBI openSUSE Tumbleweed 1.650.0-1.1

opensuse advisories openSUSE-SU-2026:11234-1

  • perl-DBI AlmaLinux 8 1.641-2.el8_10
  • perl-DBI AlmaLinux 8 1.641-8.module_el8.10.0+4245+6005333d
  • perl-DBI AlmaLinux 10 1.643-26.el10_2.3
  • perl-DBI AlmaLinux 9 1.643-9.el9_8.3

almalinux advisories ALSA-2026:62667ALSA-2026:52772ALSA-2026:49514ALSA-2026:49612

  • perl-DBI Rocky Linux 8 1.641-2.el8_10
  • perl-DBI Rocky Linux 8 1.641-8.module+el8.10.0+40273+66ce089d
  • perl-DBI Rocky Linux 8 1.641-8.module+el8.10.0+40273+4d327a6c
  • perl-DBI Rocky Linux 8 1.641-8.module+el8.10.0+40273+d479100a
  • perl-DBI Rocky Linux 8 1.641-8.module+el8.10.0+40273+0bbde87c
  • perl-DBI Rocky Linux 10 1.643-26.el10_2.3
  • perl-DBI Rocky Linux 9 1.643-9.el9_8.3

rocky linux advisories RLSA-2026:62667RLSA-2026:52772RLSA-2026:49514RLSA-2026:49612

  • perl-dbi Alpine 3.24 1.651-r0

alpine advisories ALPINE-CVE-2026-14739

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • perl-DBI Azure Linux 3.0 1.650-1

azure linux advisories AZL-92202

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-14739 updated cvss 8.1

DBI: DBI: Heap overflow when preparsing SQL statements with excessive placeholders

  • Red Hat Enterprise Linux 6 perl-DBI Red Hat Enterprise Linux 7 perl-DBI
    affected: workaround, no fix available
  • Red Hat Enterprise Linux AppStream (v. 8) perl-DBI 1.641-8.module+el8.10.0+24620+2953b6e4, perl-DBI 1.641-8.module+el8.10.0+24620+ff0e05e9
    fixed: vendor fix RHSA-2026:52772
  • Red Hat Enterprise Linux AppStream (v. 9) perl-DBI 1.643-9.el9_8.3
    fixed: vendor fix RHSA-2026:49612
  • Red Hat Enterprise Linux AppStream (v. 10) perl-DBI 1.643-26.el10_2.3
    fixed: vendor fix RHSA-2026:49514
  • Red Hat Enterprise Linux BaseOS (v. 8) perl-DBI 1.641-2.el8_10
    fixed: vendor fix RHSA-2026:62667
  • Red Hat Insights proxy 1.5 insights-proxy/insights-proxy-container-rhel9 1786433656
    fixed: vendor fix RHSA-2026:53371

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
4 mo ago

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • HMBRAND DBI

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.