[Bug 1492091] CVE-2017-12837 perl: Heap buffer overflow in regular expression compiler

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https://bugzilla.redhat.com/show_bug.cgi?id=1492091


--- Doc Text *updated* by Eric Christensen <sparks@xxxxxxxxxx> ---
A heap write buffer overflow was found in perl's S_regatom() function, which is used in the compilation of regular expressions, resulting in the crash of the perl interpreter. An attacker, able to provide a specially crafted regular expression, could cause a denial of service.


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