CVE-2014-125006Network attack vector

Application crash via incorrect H.264 crop offsets

Published Jun 18, 2022 · Updated Apr 15, 2025

An out-of-bounds read in FFmpeg 2.0's H.264 decoder allows attackers to crash media-processing applications via crafted video. The output_frame routine applies crop offsets using H264Context chroma shifts and always iterates three planes instead of using the decoded pixel format's component count and subsampling factors. Exploitation requires an affected application to decode the crafted H.264 content, and the demonstrated consequence is an availability-impacting crash.

CVSS severity5.5
Medium
EPSS probability0.68%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An out-of-bounds read in FFmpeg 2.0's H.264 decoder allows attackers to crash media-processing applications via crafted video. The output_frame routine applies crop offsets using H264Context chroma shifts and always iterates three planes instead of using the decoded pixel format's component count and subsampling factors. Exploitation requires an affected application to decode the crafted H.264 content, and the demonstrated consequence is an availability-impacting crash.

The record

CVE
CVE-2014-125006
Published
Jun 18, 2022
Updated
Apr 15, 2025
Vendor
FFmpeg
Product
FFmpeg
Classifications
CWE-787, CWE-119, T1204.002, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 18, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 15, 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=2.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

FFmpeg · FFmpegversion=2.0

Published CVSS scores

4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:N/A:P
5.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

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

Weakness, pattern, technique

CWE-787Out-of-bounds Write
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
T1204.002Malicious File
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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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