DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders

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Summary

CVECVE-2026-10879
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-05 15:16:46 UTC
Updated2026-06-10 15:02:24 UTC
DescriptionDBI 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from ADP

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

EPSS: 0.004350000 probability, percentile 0.345370000 (date 2026-06-16)

Problem Types: CWE-787 | CWE-787 CWE-787 (Out-of-bounds Write)

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Perl Dbi All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA HMBRAND DBI affected 1.648 custom Not specified

References

ReferenceSourceLinkTags
metacpan.org/release/HMBRAND/DBI-1.648/changes 9b29abf9-4ab0-4765-b253-1875cd9b441e metacpan.org Release Notes
github.com/perl5-dbi/dbi/commit/af79036c07aa9a457971c0f4136e37c85dc20978... 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com Patch
www.openwall.com/lists/oss-security/2026/06/06/4 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2026-04-25T00:00:00.000ZIssue reported to CPANSec.
CNA2026-05-28T00:00:00.000ZCommit fixed the issue in DBI.
CNA2026-06-04T00:00:00.000ZDBI 1.648 released.

Solutions

CNA: Upgrade to DBI 1.648 or later.

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