Critical severity · published Jun 5, 2026
CVE-2026-10879
DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders
9.8
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DB
DBI · HMBRAND
before 1.648 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-10879
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-10879
Patch
https://github.com/perl5-dbi/dbi/commit/af79036c07aa9a457971c0f4136e37c85dc20978.patch
Release Notes
https://metacpan.org/release/HMBRAND/DBI-1.648/changes
Mailing List
http://www.openwall.com/lists/oss-security/2026/06/06/4
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