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CVE-2026-9698

Perl Dbi buffer overflow

9.8 CRITICALEPSS 0.82%
  1. Published9 Jun 2026

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Perl Dbi< 1.648

Remediation

Fixed in
Perl Dbi≥ 1.648

References

and 1 more references

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Frequently asked

Is CVE-2026-9698 being actively exploited?

CVE-2026-9698 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.82%.

How severe is CVE-2026-9698?

CVE-2026-9698 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.82% probability of exploitation.

Which products are affected by CVE-2026-9698?

Affected products include Perl Dbi.

How do I fix CVE-2026-9698?

Upgrade affected software to a fixed version, for example Perl Dbi 1.648 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.