---
id: CVE-2026-38343
title: >-
  An integer overflow in the libavfilter/vf_scale.c component 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 libavfilter/vf_scale.c component of FFmpeg
  N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via
  supplying a crafted video file.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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-2026-38343'
references:
  - url: 'https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21587'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00355
epssPercentile: 0.26519
ingestedAt: '2026-09-09T16:14:05.516Z'
---

## Overview

An integer overflow in the libavfilter/vf_scale.c component 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.