---
id: CVE-2026-38346
title: >-
  An integer overflow in the yuv2planeX_8_c() function (libswscale/output.c) of
  FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service
  (DoS) via supplying a crafted video file.
summary: >-
  An integer overflow in the yuv2planeX_8_c() function (libswscale/output.c) of
  FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service
  (DoS) via supplying a crafted video file.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-190
published: '2026-08-28'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T15:53:46.577'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-38346'
references:
  - url: 'https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21584'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.0046
epssPercentile: 0.37154
ingestedAt: '2026-09-09T16:14:05.517Z'
---

## Overview

An integer overflow in the yuv2planeX_8_c() function (libswscale/output.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted video file.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.