What is CVE-2026-9698?

CVE-2026-9698 is a critical-severity vulnerability in Perl Dbi, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2026-06-09.

How severe is CVE-2026-9698?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Perl Dbi

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…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Perl Dbi

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

9b29abf9-4ab0-4765-b253-1875cd9b441e (Patch)
9b29abf9-4ab0-4765-b253-1875cd9b441e (Release Notes)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-9698?: CVE-2026-9698 is a critical-severity vulnerability in Perl Dbi, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2026-06-09.
How severe is CVE-2026-9698?: Critical severity. CVSS v3 base score is 9.8 out of 10.