The remote host is missing an update to pcre announced via advisory TLSA-2005-92.
The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5, with just a few differences. The current implementation corresponds to Perl 5.005, with some additional features from later versions. This includes some experimental, incomplete support for UTF-8 encoded strings.
The integer overflow vulnerabilities exist in pcre.
The pcre allows attackers to execute arbitrary code via quantifier values in regular expressions, which leads to a heap-based buffer overflow.