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PYSEC-2026-3433 yt-dlp: Arbitrary code execution via manifest downloads with aria2c

🗓️ 13 Jul 2026 15:46:18Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Summary If aria2c is used as an external downloader for a fragmented manifest format (such as an HLS/DASH stream), yt-dlp passes insufficiently sanitized input to aria2c that allows an attacker to perform an arbitrary file write. On Windows platfo...

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13 Jul 2026 16:33Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.18.3
EPSS0.00406
3