Mark Martinec schrieb:
> My guess is that you are bitten by a Linux regexp library problem,
> triggered by the file(1) utility (it doesn't affect for example FreeBSD
> with the same version of a file utility). It has been discussed before
> on this ML. Also mentioned in: http://www.amavis.org/security/asa-2007-3.txt
> in section 4.

Hi Mark,

thanks for your answer! file is 4.17-5etch2 - which is not 4.21, but
Debian people should have backported all relevant fixes as of my
/usr/share/doc/file/changelog.Debian:

 > file (4.17-5etch1) testing-security; urgency=high
 >
 >   * Applied patch from upstream to src/file.h, src/funcs.c and
 >     src/magic.c to fix integer underflow in file_printf which can
 >     lead to to exploitable heap overflow CVE-2007-1536 (Closes:
 >     #415362, #416678).

Cheers,
Thomas


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