Cyber Resilience

CVE-2026-10879

CriticalUpdated

Published: 05 June 2026

Published
05 June 2026
Modified
17 June 2026
KEV Added
—
Patch
—
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0041 33.1th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-10879 is a critical-severity Out-of-bounds Write (CWE-787) vulnerability in Perl Dbi. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 33.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

in the buffer. Placeholders 10-99 require four characters, 100-999 require five characters, et cetera.

CWE(s)
CWE-787

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
Why these techniques?

Heap overflow (CWE-787) in DBI preparse enables remote code execution via crafted SQL binders; directly maps to public-facing app exploitation and priv-esc.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

Affected Assets

perl
dbi
≤ 1.648

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References