CVE-2026-14739

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

CVE-2026-14739 is fixed in 5 products on 1 platform, first by DEBIAN-CVE-2026-14739, released July 11, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

9.8

Important

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0041

35th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
libdbi-perl · Debian 12.15 (bookworm)	1.643-4+deb12u2	DEBIAN-CVE-2026-14739	Jul 11, 2026
libdbi-perl · Debian 13.5 (trixie)	1.652-2~deb13u1	DEBIAN-CVE-2026-14739	Jul 11, 2026
libdbi-perl · Debian 14	1.650-1	DEBIAN-CVE-2026-14739	Jul 11, 2026
perl-DBI · RHEL 10	1.643-26.el10_2.3	RHSA-2026:49514	Aug 3, 2026
perl-DBI · RHEL 8	0:1.641-2.el8_10	RHSA-2026:62667	Jul 14, 2026
perl-DBI · RHEL 9	0:1.643-9.el9_8.3	RHSA-2026:49612	Aug 5, 2026
perl-DBI · almalinux 10	1.643-26.el10_2.3	ALSA-2026:49514	Aug 3, 2026
perl-DBI · almalinux 8	1.641-2.el8_10	ALSA-2026:62667	Sep 2, 2026
perl-DBI · almalinux 9	1.643-9.el9_8.3	ALSA-2026:49612	Aug 3, 2026
perl-DBI · amzn 2023	1.650-1.amzn2023.0.1	ALAS2023-2026-1982	Jul 20, 2026
perl-DBI · ol 10	0:1.643-26.el10_2.3	ELSA-2026-49514	Aug 3, 2026
perl-DBI · ol 8	0:1.641-8.module+el8.10.0+90987+dfc813d3	ELSA-2026-52772	Aug 12, 2026
perl-DBI · ol 9	0:1.643-9.el9_8.3	ELSA-2026-49612	Aug 3, 2026
perl-DBI · rocky 10	0:1.643-26.el10_2.3	RLSA-2026:49514	Aug 4, 2026
perl-DBI · rocky 8	0:1.641-2.el8_10	RLSA-2026:62667	Sep 3, 2026
perl-DBI · rocky 9	0:1.643-9.el9_8.3	RLSA-2026:49612	Aug 4, 2026
perl-DBI-debuginfo · amzn 2023	1.650-1.amzn2023.0.1	ALAS2023-2026-1982	Jul 20, 2026
perl-DBI-debugsource · amzn 2023	1.650-1.amzn2023.0.1	ALAS2023-2026-1982	Jul 20, 2026
perl-DBI-tests · amzn 2023	1.650-1.amzn2023.0.1	ALAS2023-2026-1982	Jul 20, 2026

Details

Published
July 7, 2026
Weakness
Out-of-bounds Write
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-14739

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