CVE-2017-12837

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.

This issue does not affect perl versions older than 5.18. Perl as shipped in Red Hat Enterprise Linux 7 and older are not affected by this vulnerability.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.