CVE-2026-38349: Integer Overflow
Published Aug 27, 2026
·Updated
An integer overflow in the hScale16To19c() function (libswscale/output.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted image file.
Affected Software
1 affected component
FFmpeg FFmpeg
Event History
Aug 27, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Frequently Asked Questions
1
What does an attacker need to provide to trigger this issue?
An attacker needs to supply a crafted image file that reaches the affected FFmpeg scaling code. Successful exploitation can cause a denial of service through an integer overflow in hScale16To19_c().