CVE-2014-125014
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedA vulnerability classified as problematic was found in FFmpeg 2.0. Affected by this vulnerability is an unknown functionality of the component HEVC Video Decoder. The manipulation leads to memory corruption. The attack can be launched remotely. It is recommended to apply a patch to fix this issue.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceA memory corruption vulnerability exists in FFmpeg 2.0's HEVC (H.265) video decoder component. The vulnerability can be triggered by processing a specially crafted HEVC video stream, leading to memory corruption that could potentially allow arbitrary code execution or denial of service.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 2.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify installed FFmpeg versionRun 'ffmpeg -version' and examine the version output in the first lineAffected if The reported version is exactly 2.0
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Confirm HEVC decoder is availableRun 'ffmpeg -codecs 2>/dev/null | grep -i hevc' or 'ffmpeg -decoders 2>/dev/null | grep -i hevc' to list available video decodersAffected if The HEVC/hevc decoder is listed and available in the build
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Detect HEVC content on the systemSearch for files with HEVC-associated extensions (.265, .hevc, .mp4 with HEVC) or inspect media files using 'ffprobe -show_streams <file>' to identify streams with codec_name hevcAffected if HEVC/H.265 video streams or files are present and likely to be processed by FFmpeg
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Check for HEVC processing in applicationsReview application logs, transcoding job histories, or surveillance/media server configurations for recent HEVC video processing activityAffected if Applications or automated tasks process HEVC video streams using FFmpeg
You are affected if FFmpeg version 2.0 is installed, the HEVC decoder is enabled, and the system processes or is expected to process HEVC/H.265 video content.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply the official FFmpeg patch for this vulnerability. Additionally, consider upgrading to a newer FFmpeg version if available, as version 2.0 is quite dated. If upgrading isn't feasible, implement input validation and content scanning for HEVC streams before processing.
- Consultation2.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA1.0 h
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2014-125014 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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