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Vulnerability record · CVE-2026-10879 · published 5 June 2026

CVE-2026-10879: Perl dbi out-of-bounds write vulnerability

Perl · Dbi

DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders. The preparse method expands SQL placeholder characters to numbered binders of the form :pN, but only allocates three characters per binder in the buffer. Placeholders 10-99 require four characters, 100-999 require five characters, et cetera.

9.8 CVSS 3.1 Critical EPSS 0.49% · top 60.7% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders. The preparse method expands SQL placeholder characters to numbered binders of the form :pN, but only allocates three characters per binder in the buffer. Placeholders 10-99 require four characters, 100-999 require five characters, et cetera.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/perl5-dbi/dbi/commit/af79036c07aa9a457971c0f4136e37c85dc20978.patch Patch
https://metacpan.org/release/HMBRAND/DBI-1.648/changes Release Notes
http://www.openwall.com/lists/oss-security/2026/06/06/4 Mailing ListThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-14739Perl dbi out-of-bounds write vulnerabilityDBI versions before 1.650 for Perl have a heap overflow when preparsing SQL statements with an extreme number of placeholders. The fix for CVE-2026-1…EPSS 0.41%9.8CVE-2026-9698Perl dbi out-of-bounds write vulnerabilityDBI versions before 1.648 for Perl saved errors in a limited-sized buffer. Error messages that were returned when RaiseError, PrintError or HandleErr…EPSS 0.82%9.1CVE-2026-14740Perl dbi out-of-bounds read vulnerabilityDBI 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 a…EPSS 0.39%8.8CVE-2026-14380Perl dbi vulnerabilityDBI versions before 1.650 for Perl are vulnerable to code injection via caller-influenced Profile. When a string is assigned to a DBI handle's Profil…EPSS 0.50%6.1CVE-2014-10402Perl dbi incorrect permission assignment vulnerabilityAn issue was discovered in the DBI module through 1.643 for Perl. DBD::File drivers can open files from folders other than those specifically passed …EPSS 0.48%6.1CVE-2014-10401Perl dbi incorrect permission assignment vulnerabilityAn issue was discovered in the DBI module before 1.632 for Perl. DBD::File drivers can open files from folders other than those specifically passed v…EPSS 0.44%5.3CVE-2013-7490Perl dbi memory buffer overflow vulnerabilityAn issue was discovered in the DBI module before 1.632 for Perl. Using many arguments to methods for Callbacks may lead to memory corruption.EPSS 2.7%5.3CVE-2013-7491Perl dbi out-of-bounds write vulnerabilityAn issue was discovered in the DBI module before 1.628 for Perl. Stack corruption occurs when a user-defined function requires a non-trivial amount o…EPSS 2.7%

Source: NIST National Vulnerability Database (record CVE-2026-10879), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.