CVE-2015-3217: Improper Restriction of Operations within the Bounds of a Memory Buffer

December 13, 2016 (updated May 18, 2018)

PCRE, and PCRE2 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression.

References

nvd.nist.gov/vuln/detail/CVE-2015-3217

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