mov_read_default of the file libavformat/mov.c of the component MP4 File Handler. Upgrading to version 2.4.6 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org. The best possible mitigation is suggested to be patching the affected component.
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FFmpeg up to 2.4.5 MP4 File libavformat/mov.c mov_read_default memory corruption
A vulnerability was found in FFmpeg up to 2.4.5 (Multimedia Processing Software). It has been declared as critical. This vulnerability affects the function mov_read_default of the file libavformat/mov.c of the component MP4 File Handler.…
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A vulnerability was found in FFmpeg up to 2.4.5 (Multimedia Processing Software). It has been declared as critical. This vulnerability affects the function
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title: Detect Exploitation - FFmpeg up to 2.4.5 MP4 File libavformat/mov.c mov_read_default memory corruption
id: 53488aa6-35c6-40da-935b-f714d6e7c6c6
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "FFmpeg up to 2.4.5 MP4 File li" ascii wide
condition:
any of them
}tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich FFmpeg up to 2.4.5 MP4 File libavformat/.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
🛡️ Angriffsfläche & Exposure
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
⚡ Empfohlene Sofortmaßnahmen
- 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
- 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
- 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
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