CVE-2026-38346: Integer Overflow

Published Aug 27, 2026
·
Updated

An integer overflow in the yuv2planeX8c() function (libswscale/output.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted video file.

Affected Software

2 affected componentsFixes available
FFmpeg FFmpeg=N-122528-gdd2976b9e1
debian/ffmpeg
7:5.1.9-0+deb12u17:7.1.5-0+deb13u17:9.0.2-17:9.0.2-3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/ffmpeg to a version that resolves this vulnerability.

    Fixed in 7:5.1.9-0+deb12u1Fixed in 7:7.1.5-0+deb13u1Fixed in 7:9.0.2-1Fixed in 7:9.0.2-3

Event History

Aug 27, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Aug 28, 2026
Data Sourced
via NVD·12:17 AM
DescriptionSeverityWeakness
Oct 13, 2026
Data Sourced
via Launchpad·05:30 AM
Description
Data Sourced
via Debian·05:30 AM
DescriptionAffected Software
Oct 14, 2026
Data Sourced
via Ubuntu·05:29 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What must an attacker provide to trigger this issue?

The issue is triggered by supplying a crafted video file that reaches the yuv2planeX_8_c() function in libswscale/output.c.

2

What is the known impact of successful exploitation?

Successful exploitation can cause a denial of service. The provided information does not describe code execution, data disclosure, or privilege escalation.

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