by Kastro
Paper/Archive/CVE-2026-10879

CVE-2026-10879

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

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
38
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 41.8.418 × 208.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
DBI< 1.6481.648CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refmetacpan.org/release/HMBRAND/DBI-1.648/changespatchgithub.com/perl5-dbi/dbi/commit/af79036c07aa9a457971c0f4136e37c85dc20978.patchrefopenwall.com/lists/oss-security/2026/06/06/4