CVE-2025-1373Public exploit

Local process crash via missing sample-table check

Published Feb 17, 2025 · Updated Feb 18, 2025

Null pointer dereference in FFmpeg's MOV parser development code allows local users to crash a process with a crafted MOV file. The mov_read_trak function treated a nonzero stts_count as proof that time-to-sample data existed, without also requiring tts_count before later data use. Exploitation requires local processing of the crafted file, and FFmpeg states that no released version was affected, disputing the reported 7.0 and 7.1 applicability.

CVSS severity5.5
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Null pointer dereference in FFmpeg's MOV parser development code allows local users to crash a process with a crafted MOV file. The mov_read_trak function treated a nonzero stts_count as proof that time-to-sample data existed, without also requiring tts_count before later data use. Exploitation requires local processing of the crafted file, and FFmpeg states that no released version was affected, disputing the reported 7.0 and 7.1 applicability.

The record

CVE
CVE-2025-1373
Published
Feb 17, 2025
Updated
Feb 18, 2025
Vendor
FFmpeg
Product
FFmpeg
Classifications
CWE-476, CWE-404
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 17, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.0
  2. Affected versionversion=7.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

FFmpeg · FFmpegversion=7.0; version=7.1

Published CVSS scores

3.3VulDB CNACVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
5.5NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
CWE-404Improper Resource Shutdown or Release

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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