Security readout for executives and security teams
This is an old FFmpeg media-parsing flaw affecting Vorbis audio handling in FFmpeg 0.5. A malicious Vorbis file could crash a system that processes it, and the CVE says arbitrary code execution may be possible. Business urgency depends on whether legacy FFmpeg or embedded copies process untrusted audio files. Most exposure is likely in legacy servers, appliances, desktop software, or applications bundling FFmpeg 0.5-era code and accepting untrusted Vorbis or media uploads for decoding, previewing, or transcoding. Prioritize if the organization processes customer-supplied media using legacy FFmpeg. Otherwise, treat as a legacy dependency hygiene issue and confirm it is not present in maintained systems. Mitigation focus: Inventory FFmpeg and embedded libavcodec versions across products and servers.; Apply relevant vendor or distribution security updates where FFmpeg packages are used.; Check vendor guidance for products that bundle FFmpeg internally..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2009-4640 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.