Description
xidown (a yt-dlp/ffmpeg GUI wrapper) builds its yt-dlp command-line invocation (xidown/core/scanner.py and downloader.py) by appending the user-provided or scanned URL as a bare trailing positional argument, with no '--' end-of-options marker and no scheme validation anywhere in the codebase.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| indravoyager | xidown | ≤ 1.25.1.19 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | ffmpeg +1 | No fix yet | — |
| Ubuntu 26.04 LTS | yt-dlp | No fix yet | — |
| Ubuntu 24.04 LTS | yt-dlp | No fix yet | — |
| Ubuntu 22.04 LTS | yt-dlp | No fix yet | — |
| Ubuntu 20.04 LTS | its | No fix yet | — |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | its | No fix yet | — |
| Ubuntu 16.04 LTS | its | No fix yet | — |
| Ubuntu Pro 26.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 24.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 22.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 20.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 18.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 16.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 14.04 LTS | libav | No fix yet | — |
References
- https://cwe.mitre.org/data/definitions/88.html third-party-advisory