--As of February 15, 2009 11:10:33 AM +0000, Alan Fry is alleged to have said:

I have an Intel MacPro running Mac OS X 10.5.6 (Perl 5.8.8) and a copy of
PDF::API2. This has worked flawlessly for a long time.

Suddenly it has failed. There have been no changes at all to the machine
apart from a recent 'Security Update', which I think had to do mostly
with a loophole in Safari.

--As for the rest, it is mine.

From the notes on the recent Security Update:

CVE-ID:  CVE-2008-1927
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.6, Mac OS X Server v10.5.6
Impact:  Using regular expressions containing UTF-8 characters may
lead to an unexpected application termination or arbitrary code
Description:  A memory corruption issue exists in the handling of
certain UTF-8 characters in regular expressions. Parsing maliciously
crafted regular expressions may lead to an unexpected application
termination or arbitrary code execution. This update addresses the
issue by performing additional validation of regular expressions.

So, they definitely updated Perl. Likely any/all XS modules will need to be recompiled. I'd _hope_ that Apple updated the ones they shipped, but you'll still have to update any you've installed yourself.

(I haven't gotten around to installing the update myself yet...)

Daniel T. Staal

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