A vulnerability has been identified in Perl, which may be exploited by attackers to cause a denial of service or potentially execute arbitrary commands. This flaw is due to an integer overflow error in the "Perl_sv_vcatpvfn()" [sv.c] function that does not properly handle format string specifiers with large values, which could be exploited by attackers, in conjunction with format string vulnerabilities present in Perl applications, to crash an affected application and possibly execute arbitrary code.
Credits
Vulnerability reported by Jack Louis
ChangeLog
2005-12-01 : Initial release
2005-12-15 : Updated Solution
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