---
id: CVE-2025-52290
title: >-
  A NULL pointer dereference in the avpriv_h264_has_num_reorder_frames function
  of Ffmpeg version N-119856-gbe46370941 allows attackers to cause a Denial of
  Service (DoS) via processing a crafted media file.
summary: >-
  A NULL pointer dereference in the avpriv_h264_has_num_reorder_frames function
  of Ffmpeg version N-119856-gbe46370941 allows attackers to cause a Denial of
  Service (DoS) via processing a crafted media 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'
cvssSource: adp
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-19T21:24:48.725511Z'
published: '2026-10-19'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T21:25:16.810Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2025-52290'
references:
  - url: 'https://ffmpeg.org'
  - url: 'https://infosec.exchange/@sigdevel/116733488628458667'
tags:
  - cve.org
ingestedAt: '2026-10-19T18:35:50.158Z'
---

## Overview

A NULL pointer dereference in the avpriv_h264_has_num_reorder_frames function of Ffmpeg version N-119856-gbe46370941 allows attackers to cause a Denial of Service (DoS) via processing a crafted media file.

## Remediation

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