Vulnerability Details CVE-2017-9229
An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 56.8%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2017-9229
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cpe:2.3:a:oniguruma_project:oniguruma:6.2.0
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cpe:2.3:a:ruby-lang:ruby:*