[File] file-5.46 segfault on Cygwin (only)

[Christos Zoulas]

> On May 22, 2026, at 11:17 PM, raf <file at raf.org> wrote:
> 
> Hi,
> 
> The current version of file/libmagic on Cygwin is 5.46.
> 
> It crashes when trying to analyse the zipfile
> CookieAutoDelete at kennydo.com.xpi (a Firefox addon).
> This is without decompressing the zipfile to allow
> further analsis.
> 
> It's here for reference (raf.org/tmp/CookieAutoDelete at kennydo.com.xpi).
> 
> Strangely, 5.46 on macOS and Debian don't crash with this file.
> It's just the 5.46 on Cygwin.
> 
> I compiled 5.46 on Cygwin myself to see if it's something
> wrong just with the Cygwin package of file-devel but that
> crashed too.
> 
> 5.47 on all three systems doesn't crash, so that's good.
> 
> So, if anyone here has anything to do with packaging file-devel
> for Cygwin, please update the package to 5.47.
> 
> I'll subscribe to Cywin's mailing list and let them know as well.
> 
> cheers,
> raf


Thanks raf, good thing that it has been fixed.

christos
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