Interesting... Decompression Bombs

Julian Field mailscanner at
Thu Feb 12 14:41:53 GMT 2004

At 14:38 12/02/2004, you wrote:
>An interesting issue for those of us that run virus scanners for mail.
>Check out:

I built defences into MailScanner for this attack a very long time ago,
don't worry. This is an old problem.

100Gb out of a 7k zip file isn't the worst/best you can achieve.
There is a zip file of 42374 bytes which expands to over 29,000,000 Gbytes
(over 29 Petabytes).
Julian Field
MailScanner thanks transtec Computers for their support

PGP footprint: EE81 D763 3DB0 0BFD E1DC 7222 11F6 5947 1415 B654

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