Heap-based buffer overflow in the php_parserr function in
ext/standard/dns.c in PHP 5.6.0beta4 and earlier allows remote servers
to cause a denial of service (crash) and possibly execute arbitrary
code via a crafted DNS TXT record, related to the dns_get_record
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MLIST:[oss-security] 20140613 Re: CVE request: PHP heap-based buffer overflow in DNS TXT record parsing
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