---
id: CVE-2025-52290
title: 'ffmpeg: ffmpeg: Denial of Service via crafted media file (CVE-2025-52290)'
summary: >-
  A flaw was found in ffmpeg. An attacker could exploit this vulnerability by
  providing a crafted media file to be processed by the application. This issue
  triggers a NULL pointer dereference in the avpriv_h264_has_num_reorder_frames
  functio…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cvssSource: vendor
cwe: CWE-476
vendor: Red Hat
product: Red Hat Enterprise Linux AI (RHEL AI) 3
affected:
  - enterprise_linux_ai_rhel_ai 3
  - openshift_ai_rhoai
published: '2026-10-19'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T07:59:09+00:00'
source: CSAF
sourceUrl: 'https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-52290.json'
references:
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-52290.json
  - url: 'https://access.redhat.com/security/cve/CVE-2025-52290'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2555742'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2025-52290'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-52290'
  - url: 'https://ffmpeg.org'
  - url: 'https://infosec.exchange/@sigdevel/116733488628458667'
tags:
  - csaf
  - vex
  - red-hat
  - cve.org
  - score-dispute
epss: 0.00578
epssPercentile: 0.47421
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-19T21:24:48.725511Z'
scores:
  vendor: 5.5
  adp: 7.5
ingestedAt: '2026-10-19T18:35:50.158Z'
---

## Overview

A flaw was found in ffmpeg. An attacker could exploit this vulnerability by providing a crafted media file to be processed by the application. This issue triggers a NULL pointer dereference in the avpriv_h264_has_num_reorder_frames function, leading to an unexpected application crash and resulting in a Denial of Service (DoS).

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux AI (RHEL AI) 3, Red Hat OpenShift AI (RHOAI) · no fix planned: Red Hat Enterprise Linux AI (RHEL AI) 3, Red Hat OpenShift AI (RHOAI) · updated 2026-10-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-52290.json)

**ffmpeg: ffmpeg: Denial of Service via crafted media file** — rated Moderate by Red Hat. Released 2025-01-01, updated 2026-10-21.

Affected:

- Red Hat Enterprise Linux AI (RHEL AI) 3
- Red Hat OpenShift AI (RHOAI)

No fix planned:

- Red Hat Enterprise Linux AI (RHEL AI) 3
- Red Hat OpenShift AI (RHOAI)

## Remediation

Fix deferred