CVE-2026-107125: XnView Classic FLI File heap-based overflow

Published Oct 7, 2026
·
Updated

A flaw has been found in XnView Classic 2.52.5. Impacted is an unknown function of the component FLI File Parser. This manipulation of the argument startingline causes heap-based buffer overflow. Remote exploitation of the attack is possible. Upgrading to version 2.52.6 is recommended to address this issue. Upgrading the affected component is advised.

Affected Software

1 affected component
XnView XnView Classic=2.52.5

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade XnView Classic to a version that resolves this vulnerability.

    Fixed in 2.52.6

Event History

Oct 7, 2026
CVE Published
via MITRE·02:15 PM
Data Sourced
via MITRE·02:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:17 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What does an attacker need to do to exploit this issue?

An attacker needs to induce a user to open or process a crafted FLI file. The attack can be delivered remotely, but user interaction is required.

2

Which version should be upgraded?

XnView Classic 2.52.5 is identified as affected. Upgrade to version 2.52.6 to address the vulnerability.

3

What is the impact of successful exploitation?

The vulnerability is a heap-based buffer overflow in the FLI File Parser caused by manipulation of the starting_line argument. The supplied severity vector indicates potential low-impact effects to confidentiality, integrity, and availability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203