Vulnerability Report

CVE-2026-9698

Title: Buffer Overflow in Perl DBI

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2026-9698.

CWE Category CWE-787

Published Date Jun 09, 2026

Modified Date Jul 16, 2026

Exploit Status Not Found

Score 9.8 CVSS v

Exploit Probability (EPSS)

0.45%

Vulnerability Summary

CVE-2026-9698: DBI versions before 1.648 for Perl saved errors in a limited-sized buffer. Error messages that were returned when RaiseError, PrintError or HandleError were set were written to a 200-byte buffer without a length limit. Attackers that can influence the error text in an application can trigger a buffer overflow.

Impacted Vendors

perl 1

Reference Links

https://github.com/perl5-dbi/dbi/commit/bfe5d73c162d2d1f761a639a0aa33aad6a9eb54e.patch https://metacpan.org/release/HMBRAND/DBI-1.648/changes

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v3.1

Source Entity 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Severity HIGH

8.2

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns