Security Advisory
CVE-2015-3217
CVE vulnerability detail — eXtreme Datacenter Security Operations
Description
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1).|([^W_])?)+)+$/.