Vulnary
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Critical· 9.8official fix available

CVE-2026-9698

A flaw in the Perl DBI module allows error messages to be written into a fixed-size buffer without proper length limits. This can lead to a buffer overflow if an attacker can control the content of the error message.

publishedJun 9, 2026
last modifiedJul 23, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
37th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 23, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

Users of the Perl DBI module on versions prior to 1.648.

02

Real-world impact

An attacker could potentially execute malicious code or cause the application to crash by providing specially crafted input that triggers an error message.

03

Why this severity

This is a critical vulnerability because it can be exploited remotely over a network without any user interaction or authentication, potentially leading to full system compromise.

04

What to do about it

official fix available
recommended steps
  1. 01Upgrade Perl DBI to version 1.648 or later.

NVD-referenced vendor advisory

05

Timeline

  1. Jun 9, 2026 · Jun 9, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 23, 2026 · 12d ago
    Advisory updated
    The NVD record was last revised.
  3. Jul 24, 2026 · 11d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

NVD advisory ↗Search advisories ↗
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →